Fix search to end of stream in HLS

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=139905590

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

@@ -215,7 +215,7 @@ import java.util.Locale;
     int chunkMediaSequence;
     int chunkMediaSequence;
     if (previous == null || switchingVariant) {
     if (previous == null || switchingVariant) {
       long targetPositionUs = previous == null ? playbackPositionUs : previous.startTimeUs;
       long targetPositionUs = previous == null ? playbackPositionUs : previous.startTimeUs;
-      if (targetPositionUs > mediaPlaylist.getEndTimeUs()) {
+      if (!mediaPlaylist.hasEndTag && targetPositionUs > mediaPlaylist.getEndTimeUs()) {
         // If the playlist is too old to contain the chunk, we need to refresh it.
         // If the playlist is too old to contain the chunk, we need to refresh it.
         chunkMediaSequence = mediaPlaylist.mediaSequence + mediaPlaylist.segments.size();
         chunkMediaSequence = mediaPlaylist.mediaSequence + mediaPlaylist.segments.size();
       } else {
       } else {