Omit clipped samples when applying edits for audio tracks.

Issue: #2408

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146389955

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

@@ -332,6 +332,9 @@ import java.util.List;
       return new TrackSampleTable(offsets, sizes, maximumSize, timestamps, flags);
     }
 
+    // Omit any sample at the end point of an edit for audio tracks.
+    boolean omitClippedSample = track.type == C.TRACK_TYPE_AUDIO;
+
     // Count the number of samples after applying edits.
     int editedSampleCount = 0;
     int nextSampleIndex = 0;
@@ -342,7 +345,8 @@ import java.util.List;
         long duration = Util.scaleLargeTimestamp(track.editListDurations[i], track.timescale,
             track.movieTimescale);
         int startIndex = Util.binarySearchCeil(timestamps, mediaTime, true, true);
-        int endIndex = Util.binarySearchCeil(timestamps, mediaTime + duration, true, false);
+        int endIndex = Util.binarySearchCeil(timestamps, mediaTime + duration, omitClippedSample,
+            false);
         editedSampleCount += endIndex - startIndex;
         copyMetadata |= nextSampleIndex != startIndex;
         nextSampleIndex = endIndex;
@@ -365,7 +369,7 @@ import java.util.List;
         long endMediaTime = mediaTime + Util.scaleLargeTimestamp(duration, track.timescale,
             track.movieTimescale);
         int startIndex = Util.binarySearchCeil(timestamps, mediaTime, true, true);
-        int endIndex = Util.binarySearchCeil(timestamps, endMediaTime, true, false);
+        int endIndex = Util.binarySearchCeil(timestamps, endMediaTime, omitClippedSample, false);
         if (copyMetadata) {
           int count = endIndex - startIndex;
           System.arraycopy(offsets, startIndex, editedOffsets, sampleIndex, count);