 buffered chunks, the actual number of
 discarded chunks is not guaranteed. The source will call <a href="ExoTrackSelection.html#updateSelectedTrack(long,long,long,java.util.List,com.google.android.exoplayer2.source.chunk.MediaChunkIterator%5B%5D)"><code>ExoTrackSelection.updateSelectedTrack(long,
 long, long, List, MediaChunkIterator[])</code></a> with the updated queue of chunks before loading a new
 chunk to allow switching to another quality.

 <p>This method will only be called when the selection is en