Cleanup: Remove unnecessary generic types

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=205409290

extensions/cast/src/main/java/com/google/android/exoplayer2/ext/cast/CastTimeline.java

@@ -32,8 +32,7 @@ import java.util.Map;
 /* package */ final class CastTimeline extends Timeline {
 
   public static final CastTimeline EMPTY_CAST_TIMELINE =
-      new CastTimeline(
-          Collections.<MediaQueueItem>emptyList(), Collections.<String, Long>emptyMap());
+      new CastTimeline(Collections.emptyList(), Collections.emptyMap());
 
   private final SparseIntArray idsToIndex;
   private final int[] ids;

extensions/mediasession/src/main/java/com/google/android/exoplayer2/ext/mediasession/TimelineQueueNavigator.java

@@ -175,7 +175,7 @@ public abstract class TimelineQueueNavigator implements MediaSessionConnector.Qu
 
   private void publishFloatingQueueWindow(Player player) {
     if (player.getCurrentTimeline().isEmpty()) {
-      mediaSession.setQueue(Collections.<MediaSessionCompat.QueueItem>emptyList());
+      mediaSession.setQueue(Collections.emptyList());
       activeQueueItemId = MediaSessionCompat.QueueItem.UNKNOWN_ID;
       return;
     }

library/core/src/main/java/com/google/android/exoplayer2/Format.java

@@ -935,8 +935,8 @@ public final class Format implements Parcelable {
     this.language = language;
     this.accessibilityChannel = accessibilityChannel;
     this.subsampleOffsetUs = subsampleOffsetUs;
-    this.initializationData = initializationData == null ? Collections.<byte[]>emptyList()
-        : initializationData;
+    this.initializationData =
+        initializationData == null ? Collections.emptyList() : initializationData;
     this.drmInitData = drmInitData;
     this.metadata = metadata;
   }

library/core/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java

@@ -193,8 +193,7 @@ public final class FragmentedMp4Extractor implements Extractor {
       @Nullable TimestampAdjuster timestampAdjuster,
       @Nullable Track sideloadedTrack,
       @Nullable DrmInitData sideloadedDrmInitData) {
-    this(flags, timestampAdjuster, sideloadedTrack, sideloadedDrmInitData,
-        Collections.<Format>emptyList());
+    this(flags, timestampAdjuster, sideloadedTrack, sideloadedDrmInitData, Collections.emptyList());
   }
 
   /**

library/core/src/main/java/com/google/android/exoplayer2/extractor/ts/TsPayloadReader.java

@@ -77,8 +77,10 @@ public interface TsPayloadReader {
         byte[] descriptorBytes) {
       this.streamType = streamType;
       this.language = language;
-      this.dvbSubtitleInfos = dvbSubtitleInfos == null ? Collections.<DvbSubtitleInfo>emptyList()
-          : Collections.unmodifiableList(dvbSubtitleInfos);
+      this.dvbSubtitleInfos =
+          dvbSubtitleInfos == null
+              ? Collections.emptyList()
+              : Collections.unmodifiableList(dvbSubtitleInfos);
       this.descriptorBytes = descriptorBytes;
     }
 

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecSelector.java

@@ -38,7 +38,7 @@ public interface MediaCodecSelector {
           List<MediaCodecInfo> decoderInfos =
               MediaCodecUtil.getDecoderInfos(format.sampleMimeType, requiresSecureDecoder);
           return decoderInfos.isEmpty()
-              ? Collections.<MediaCodecInfo>emptyList()
+              ? Collections.emptyList()
               : Collections.singletonList(decoderInfos.get(0));
         }
 

library/core/src/main/java/com/google/android/exoplayer2/source/ConcatenatingMediaSource.java

@@ -531,7 +531,7 @@ public class ConcatenatingMediaSource extends CompositeMediaSource<MediaSourceHo
     listenerNotificationScheduled = false;
     List<Runnable> actionsOnCompletion =
         pendingOnCompletionActions.isEmpty()
-            ? Collections.<Runnable>emptyList()
+            ? Collections.emptyList()
             : new ArrayList<>(pendingOnCompletionActions);
     pendingOnCompletionActions.clear();
     refreshSourceInfo(

library/core/src/main/java/com/google/android/exoplayer2/text/TextRenderer.java

@@ -308,7 +308,7 @@ public final class TextRenderer extends BaseRenderer implements Callback {
   }
 
   private void clearOutput() {
-    updateOutput(Collections.<Cue>emptyList());
+    updateOutput(Collections.emptyList());
   }
 
   @SuppressWarnings("unchecked")

library/core/src/main/java/com/google/android/exoplayer2/text/cea/Cea708Decoder.java

@@ -743,7 +743,7 @@ public final class Cea708Decoder extends CeaDecoder {
       }
     }
     Collections.sort(displayCues);
-    return Collections.<Cue>unmodifiableList(displayCues);
+    return Collections.unmodifiableList(displayCues);
   }
 
   private void resetCueBuilders() {

library/core/src/main/java/com/google/android/exoplayer2/text/cea/CeaSubtitle.java

@@ -54,7 +54,7 @@ import java.util.List;
 
   @Override
   public List<Cue> getCues(long timeUs) {
-    return timeUs >= 0 ? cues : Collections.<Cue>emptyList();
+    return timeUs >= 0 ? cues : Collections.emptyList();
   }
 
 }

library/core/src/main/java/com/google/android/exoplayer2/text/ttml/TtmlSubtitle.java

@@ -37,8 +37,8 @@ import java.util.Map;
       Map<String, TtmlRegion> regionMap) {
     this.root = root;
     this.regionMap = regionMap;
-    this.globalStyles = globalStyles != null
-        ? Collections.unmodifiableMap(globalStyles) : Collections.<String, TtmlStyle>emptyMap();
+    this.globalStyles =
+        globalStyles != null ? Collections.unmodifiableMap(globalStyles) : Collections.emptyMap();
     this.eventTimesUs = root.getEventTimesUs();
   }
 

library/core/src/main/java/com/google/android/exoplayer2/text/tx3g/Tx3gSubtitle.java

@@ -57,7 +57,7 @@ import java.util.List;
 
   @Override
   public List<Cue> getCues(long timeUs) {
-    return timeUs >= 0 ? cues : Collections.<Cue>emptyList();
+    return timeUs >= 0 ? cues : Collections.emptyList();
   }
 
 }

library/core/src/main/java/com/google/android/exoplayer2/text/webvtt/Mp4WebvttDecoder.java

@@ -85,8 +85,7 @@ public final class Mp4WebvttDecoder extends SimpleSubtitleDecoder {
       if (boxType == TYPE_sttg) {
         WebvttCueParser.parseCueSettingsList(boxPayload, builder);
       } else if (boxType == TYPE_payl) {
-        WebvttCueParser.parseCueText(null, boxPayload.trim(), builder,
-            Collections.<WebvttCssStyle>emptyList());
+        WebvttCueParser.parseCueText(null, boxPayload.trim(), builder, Collections.emptyList());
       } else {
         // Other VTTCueBox children are still not supported and are ignored.
       }

library/core/src/main/java/com/google/android/exoplayer2/text/webvtt/Mp4WebvttSubtitle.java

@@ -51,6 +51,6 @@ import java.util.List;
 
   @Override
   public List<Cue> getCues(long timeUs) {
-    return timeUs >= 0 ? cues : Collections.<Cue>emptyList();
+    return timeUs >= 0 ? cues : Collections.emptyList();
   }
 }

library/core/src/main/java/com/google/android/exoplayer2/upstream/cache/DefaultContentMetadata.java

@@ -34,7 +34,7 @@ public final class DefaultContentMetadata implements ContentMetadata {
 
   /** An empty DefaultContentMetadata. */
   public static final DefaultContentMetadata EMPTY =
-      new DefaultContentMetadata(Collections.<String, byte[]>emptyMap());
+      new DefaultContentMetadata(Collections.emptyMap());
 
   private static final int MAX_VALUE_LENGTH = 10 * 1024 * 1024;
   private int hashCode;

library/core/src/test/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4ExtractorTest.java

@@ -33,13 +33,13 @@ public final class FragmentedMp4ExtractorTest {
   @Test
   public void testSample() throws Exception {
     ExtractorAsserts.assertBehavior(
-        getExtractorFactory(Collections.<Format>emptyList()), "mp4/sample_fragmented.mp4");
+        getExtractorFactory(Collections.emptyList()), "mp4/sample_fragmented.mp4");
   }
 
   @Test
   public void testSampleSeekable() throws Exception {
     ExtractorAsserts.assertBehavior(
-        getExtractorFactory(Collections.<Format>emptyList()), "mp4/sample_fragmented_seekable.mp4");
+        getExtractorFactory(Collections.emptyList()), "mp4/sample_fragmented_seekable.mp4");
   }
 
   @Test

library/core/src/test/java/com/google/android/exoplayer2/text/tx3g/Tx3gDecoderTest.java

@@ -55,7 +55,7 @@ public final class Tx3gDecoderTest {
 
   @Test
   public void testDecodeNoSubtitle() throws IOException, SubtitleDecoderException {
-    Tx3gDecoder decoder = new Tx3gDecoder(Collections.<byte[]>emptyList());
+    Tx3gDecoder decoder = new Tx3gDecoder(Collections.emptyList());
     byte[] bytes = TestUtil.getByteArray(RuntimeEnvironment.application, NO_SUBTITLE);
     Subtitle subtitle = decoder.decode(bytes, bytes.length, false);
     assertThat(subtitle.getCues(0)).isEmpty();
@@ -63,7 +63,7 @@ public final class Tx3gDecoderTest {
 
   @Test
   public void testDecodeJustText() throws IOException, SubtitleDecoderException {
-    Tx3gDecoder decoder = new Tx3gDecoder(Collections.<byte[]>emptyList());
+    Tx3gDecoder decoder = new Tx3gDecoder(Collections.emptyList());
     byte[] bytes = TestUtil.getByteArray(RuntimeEnvironment.application, SAMPLE_JUST_TEXT);
     Subtitle subtitle = decoder.decode(bytes, bytes.length, false);
     SpannedString text = new SpannedString(subtitle.getCues(0).get(0).text);
@@ -74,7 +74,7 @@ public final class Tx3gDecoderTest {
 
   @Test
   public void testDecodeWithStyl() throws IOException, SubtitleDecoderException {
-    Tx3gDecoder decoder = new Tx3gDecoder(Collections.<byte[]>emptyList());
+    Tx3gDecoder decoder = new Tx3gDecoder(Collections.emptyList());
     byte[] bytes = TestUtil.getByteArray(RuntimeEnvironment.application, SAMPLE_WITH_STYL);
     Subtitle subtitle = decoder.decode(bytes, bytes.length, false);
     SpannedString text = new SpannedString(subtitle.getCues(0).get(0).text);
@@ -90,7 +90,7 @@ public final class Tx3gDecoderTest {
 
   @Test
   public void testDecodeWithStylAllDefaults() throws IOException, SubtitleDecoderException {
-    Tx3gDecoder decoder = new Tx3gDecoder(Collections.<byte[]>emptyList());
+    Tx3gDecoder decoder = new Tx3gDecoder(Collections.emptyList());
     byte[] bytes =
         TestUtil.getByteArray(RuntimeEnvironment.application, SAMPLE_WITH_STYL_ALL_DEFAULTS);
     Subtitle subtitle = decoder.decode(bytes, bytes.length, false);
@@ -102,7 +102,7 @@ public final class Tx3gDecoderTest {
 
   @Test
   public void testDecodeUtf16BeNoStyl() throws IOException, SubtitleDecoderException {
-    Tx3gDecoder decoder = new Tx3gDecoder(Collections.<byte[]>emptyList());
+    Tx3gDecoder decoder = new Tx3gDecoder(Collections.emptyList());
     byte[] bytes = TestUtil.getByteArray(RuntimeEnvironment.application, SAMPLE_UTF16_BE_NO_STYL);
     Subtitle subtitle = decoder.decode(bytes, bytes.length, false);
     SpannedString text = new SpannedString(subtitle.getCues(0).get(0).text);
@@ -113,7 +113,7 @@ public final class Tx3gDecoderTest {
 
   @Test
   public void testDecodeUtf16LeNoStyl() throws IOException, SubtitleDecoderException {
-    Tx3gDecoder decoder = new Tx3gDecoder(Collections.<byte[]>emptyList());
+    Tx3gDecoder decoder = new Tx3gDecoder(Collections.emptyList());
     byte[] bytes = TestUtil.getByteArray(RuntimeEnvironment.application, SAMPLE_UTF16_LE_NO_STYL);
     Subtitle subtitle = decoder.decode(bytes, bytes.length, false);
     SpannedString text = new SpannedString(subtitle.getCues(0).get(0).text);
@@ -124,7 +124,7 @@ public final class Tx3gDecoderTest {
 
   @Test
   public void testDecodeWithMultipleStyl() throws IOException, SubtitleDecoderException {
-    Tx3gDecoder decoder = new Tx3gDecoder(Collections.<byte[]>emptyList());
+    Tx3gDecoder decoder = new Tx3gDecoder(Collections.emptyList());
     byte[] bytes = TestUtil.getByteArray(RuntimeEnvironment.application, SAMPLE_WITH_MULTIPLE_STYL);
     Subtitle subtitle = decoder.decode(bytes, bytes.length, false);
     SpannedString text = new SpannedString(subtitle.getCues(0).get(0).text);
@@ -142,7 +142,7 @@ public final class Tx3gDecoderTest {
 
   @Test
   public void testDecodeWithOtherExtension() throws IOException, SubtitleDecoderException {
-    Tx3gDecoder decoder = new Tx3gDecoder(Collections.<byte[]>emptyList());
+    Tx3gDecoder decoder = new Tx3gDecoder(Collections.emptyList());
     byte[] bytes =
         TestUtil.getByteArray(RuntimeEnvironment.application, SAMPLE_WITH_OTHER_EXTENSION);
     Subtitle subtitle = decoder.decode(bytes, bytes.length, false);

library/core/src/test/java/com/google/android/exoplayer2/text/webvtt/WebvttCueParserTest.java

@@ -246,7 +246,7 @@ public final class WebvttCueParserTest {
 
   private static Spanned parseCueText(String string) {
     WebvttCue.Builder builder = new WebvttCue.Builder();
-    WebvttCueParser.parseCueText(null, string, builder, Collections.<WebvttCssStyle>emptyList());
+    WebvttCueParser.parseCueText(null, string, builder, Collections.emptyList());
     return (Spanned) builder.build().text;
   }
 

library/core/src/test/java/com/google/android/exoplayer2/text/webvtt/WebvttSubtitleTest.java

@@ -38,8 +38,7 @@ public class WebvttSubtitleTest {
   private static final String FIRST_AND_SECOND_SUBTITLE_STRING =
       FIRST_SUBTITLE_STRING + "\n" + SECOND_SUBTITLE_STRING;
 
-  private static final WebvttSubtitle emptySubtitle = new WebvttSubtitle(
-      Collections.<WebvttCue>emptyList());
+  private static final WebvttSubtitle emptySubtitle = new WebvttSubtitle(Collections.emptyList());
 
   private static final WebvttSubtitle simpleSubtitle;
   static {

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/AdaptationSet.java

@@ -69,12 +69,14 @@ public class AdaptationSet {
     this.id = id;
     this.type = type;
     this.representations = Collections.unmodifiableList(representations);
-    this.accessibilityDescriptors = accessibilityDescriptors == null
-        ? Collections.<Descriptor>emptyList()
-        : Collections.unmodifiableList(accessibilityDescriptors);
-    this.supplementalProperties = supplementalProperties == null
-        ? Collections.<Descriptor>emptyList()
-        : Collections.unmodifiableList(supplementalProperties);
+    this.accessibilityDescriptors =
+        accessibilityDescriptors == null
+            ? Collections.emptyList()
+            : Collections.unmodifiableList(accessibilityDescriptors);
+    this.supplementalProperties =
+        supplementalProperties == null
+            ? Collections.emptyList()
+            : Collections.unmodifiableList(supplementalProperties);
   }
 
 }

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifest.java

@@ -102,7 +102,7 @@ public class DashManifest implements FilterableManifest<DashManifest> {
     this.publishTimeMs = publishTimeMs;
     this.utcTiming = utcTiming;
     this.location = location;
-    this.periods = periods == null ? Collections.<Period>emptyList() : periods;
+    this.periods = periods == null ? Collections.emptyList() : periods;
   }
 
   public final int getPeriodCount() {

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/Period.java

@@ -51,7 +51,7 @@ public class Period {
    * @param adaptationSets The adaptation sets belonging to the period.
    */
   public Period(@Nullable String id, long startMs, List<AdaptationSet> adaptationSets) {
-    this(id, startMs, adaptationSets, Collections.<EventStream>emptyList());
+    this(id, startMs, adaptationSets, Collections.emptyList());
   }
 
   /**

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/Representation.java

@@ -135,8 +135,10 @@ public abstract class Representation {
     this.revisionId = revisionId;
     this.format = format;
     this.baseUrl = baseUrl;
-    this.inbandEventStreams = inbandEventStreams == null ? Collections.<Descriptor>emptyList()
-        : Collections.unmodifiableList(inbandEventStreams);
+    this.inbandEventStreams =
+        inbandEventStreams == null
+            ? Collections.emptyList()
+            : Collections.unmodifiableList(inbandEventStreams);
     initializationUri = segmentBase.getInitialization(this);
     presentationTimeOffsetUs = segmentBase.getPresentationTimeOffsetUs();
   }

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/DefaultHlsExtractorFactory.java

@@ -83,8 +83,13 @@ public final class DefaultHlsExtractorFactory implements HlsExtractorFactory {
     } else if (lastPathSegment.endsWith(MP4_FILE_EXTENSION)
         || lastPathSegment.startsWith(M4_FILE_EXTENSION_PREFIX, lastPathSegment.length() - 4)
         || lastPathSegment.startsWith(MP4_FILE_EXTENSION_PREFIX, lastPathSegment.length() - 5)) {
-      extractor = new FragmentedMp4Extractor(0, timestampAdjuster, null, drmInitData,
-          muxedCaptionFormats != null ? muxedCaptionFormats : Collections.<Format>emptyList());
+      extractor =
+          new FragmentedMp4Extractor(
+              0,
+              timestampAdjuster,
+              null,
+              drmInitData,
+              muxedCaptionFormats != null ? muxedCaptionFormats : Collections.emptyList());
     } else {
       // For any other file extension, we assume TS format.
       @DefaultTsPayloadReaderFactory.Flags

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java

@@ -368,7 +368,7 @@ public final class HlsMediaPeriod implements MediaPeriod, HlsSampleStreamWrapper
               C.TRACK_TYPE_AUDIO,
               new HlsUrl[] {audioRendition},
               null,
-              Collections.<Format>emptyList(),
+              Collections.emptyList(),
               positionUs);
       sampleStreamWrappers[currentWrapperIndex++] = sampleStreamWrapper;
       Format renditionFormat = audioRendition.format;
@@ -385,11 +385,7 @@ public final class HlsMediaPeriod implements MediaPeriod, HlsSampleStreamWrapper
       HlsUrl url = subtitleRenditions.get(i);
       HlsSampleStreamWrapper sampleStreamWrapper =
           buildSampleStreamWrapper(
-              C.TRACK_TYPE_TEXT,
-              new HlsUrl[] {url},
-              null,
-              Collections.<Format>emptyList(),
-              positionUs);
+              C.TRACK_TYPE_TEXT, new HlsUrl[] {url}, null, Collections.emptyList(), positionUs);
       sampleStreamWrappers[currentWrapperIndex++] = sampleStreamWrapper;
       sampleStreamWrapper.prepareWithMasterPlaylistInfo(
           new TrackGroupArray(new TrackGroup(url.format)), 0, TrackGroupArray.EMPTY);

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsMasterPlaylist.java

@@ -151,7 +151,7 @@ public final class HlsMasterPlaylist extends HlsPlaylist {
     List<HlsUrl> emptyList = Collections.emptyList();
     return new HlsMasterPlaylist(
         null,
-        Collections.<String>emptyList(),
+        Collections.emptyList(),
         variant,
         emptyList,
         emptyList,

library/smoothstreaming/src/test/java/com/google/android/exoplayer2/source/smoothstreaming/manifest/SsManifestTest.java

@@ -129,7 +129,7 @@ public class SsManifestTest {
         768,
         null,
         formats,
-        Collections.<Long>emptyList(),
+        Collections.emptyList(),
         0);
   }
 

library/ui/src/main/java/com/google/android/exoplayer2/ui/PlayerNotificationManager.java

@@ -391,7 +391,7 @@ public class PlayerNotificationManager {
     customActions =
         customActionReceiver != null
             ? customActionReceiver.createCustomActions(context)
-            : Collections.<String, NotificationCompat.Action>emptyMap();
+            : Collections.emptyMap();
     for (String action : customActions.keySet()) {
       intentFilter.addAction(action);
     }