Use longs rather than ints for HLS byterange.

Issue: #1387
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=118024270

library/src/main/java/com/google/android/exoplayer/hls/HlsMediaPlaylist.java

@@ -36,12 +36,12 @@ public final class HlsMediaPlaylist extends HlsPlaylist {
     public final boolean isEncrypted;
     public final String encryptionKeyUri;
     public final String encryptionIV;
-    public final int byterangeOffset;
-    public final int byterangeLength;
+    public final long byterangeOffset;
+    public final long byterangeLength;
 
     public Segment(String uri, double durationSecs, int discontinuitySequenceNumber,
         long startTimeUs, boolean isEncrypted, String encryptionKeyUri, String encryptionIV,
-        int byterangeOffset, int byterangeLength) {
+        long byterangeOffset, long byterangeLength) {
       this.url = uri;
       this.durationSecs = durationSecs;
       this.discontinuitySequenceNumber = discontinuitySequenceNumber;

library/src/main/java/com/google/android/exoplayer/hls/HlsPlaylistParser.java

@@ -244,8 +244,8 @@ public final class HlsPlaylistParser implements UriLoadable.Parser<HlsPlaylist>
     double segmentDurationSecs = 0.0;
     int discontinuitySequenceNumber = 0;
     long segmentStartTimeUs = 0;
-    int segmentByterangeOffset = 0;
-    int segmentByterangeLength = C.LENGTH_UNBOUNDED;
+    long segmentByterangeOffset = 0;
+    long segmentByterangeLength = C.LENGTH_UNBOUNDED;
     int segmentMediaSequence = 0;
 
     boolean isEncrypted = false;
@@ -279,9 +279,9 @@ public final class HlsPlaylistParser implements UriLoadable.Parser<HlsPlaylist>
       } else if (line.startsWith(BYTERANGE_TAG)) {
         String byteRange = HlsParserUtil.parseStringAttr(line, BYTERANGE_REGEX, BYTERANGE_TAG);
         String[] splitByteRange = byteRange.split("@");
-        segmentByterangeLength = Integer.parseInt(splitByteRange[0]);
+        segmentByterangeLength = Long.parseLong(splitByteRange[0]);
         if (splitByteRange.length > 1) {
-          segmentByterangeOffset = Integer.parseInt(splitByteRange[1]);
+          segmentByterangeOffset = Long.parseLong(splitByteRange[1]);
         }
       } else if (line.startsWith(DISCONTINUITY_SEQUENCE_TAG)) {
         discontinuitySequenceNumber = Integer.parseInt(line.substring(line.indexOf(':') + 1));