Change some annotations placement Checkerframework now warns about.

PiperOrigin-RevId: 307764457

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

@@ -89,7 +89,7 @@ public class DefaultRenderersFactory implements RenderersFactory {
   private long allowedVideoJoiningTimeMs;
   private boolean enableDecoderFallback;
   private MediaCodecSelector mediaCodecSelector;
-  @MediaCodecRenderer.MediaCodecOperationMode private int mediaCodecOperationMode;
+  private @MediaCodecRenderer.MediaCodecOperationMode int mediaCodecOperationMode;
 
   /** @param context A {@link Context}. */
   public DefaultRenderersFactory(Context context) {

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

@@ -402,7 +402,7 @@ public final class AdsMediaSource extends CompositeMediaSource<MediaPeriodId> {
     private final MediaSource adMediaSource;
     private final List<MaskingMediaPeriod> activeMediaPeriods;
 
-    @MonotonicNonNull private Timeline timeline;
+    private @MonotonicNonNull Timeline timeline;
 
     public AdMediaSourceHolder(MediaSource adMediaSource) {
       this.adMediaSource = adMediaSource;

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

@@ -39,7 +39,7 @@ public final class InitializationChunk extends Chunk {
 
   private final ChunkExtractorWrapper extractorWrapper;
 
-  @MonotonicNonNull private TrackOutputProvider trackOutputProvider;
+  private @MonotonicNonNull TrackOutputProvider trackOutputProvider;
   private long nextLoadPosition;
   private volatile boolean loadCanceled;
 

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

@@ -461,8 +461,8 @@ public final class TtmlDecoder extends SimpleSubtitleDecoder {
     return parentStyleIds.isEmpty() ? new String[0] : Util.split(parentStyleIds, "\\s+");
   }
 
-  @PolyNull
-  private TtmlStyle parseStyleAttributes(XmlPullParser parser, @PolyNull TtmlStyle style) {
+  private @PolyNull TtmlStyle parseStyleAttributes(
+      XmlPullParser parser, @PolyNull TtmlStyle style) {
     int attributeCount = parser.getAttributeCount();
     for (int i = 0; i < attributeCount; i++) {
       String attributeValue = parser.getAttributeValue(i);

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

@@ -120,7 +120,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   private final HashMap<String, Integer> nodeStartsByRegion;
   private final HashMap<String, Integer> nodeEndsByRegion;
 
-  @MonotonicNonNull private List<TtmlNode> children;
+  private @MonotonicNonNull List<TtmlNode> children;
 
   public static TtmlNode buildTextNode(String text) {
     return new TtmlNode(