Fail for non-blacklistable playlist load errors in HLS

This CL allows failure if a playlist load fails with a non-blacklistable
error. For example, loss of internet connection.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=197006579

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

@@ -570,7 +570,8 @@ public final class HlsPlaylistTracker implements Loader.Callback<ParsingLoadable
       eventDispatcher.loadError(loadable.dataSpec, C.DATA_TYPE_MANIFEST, elapsedRealtimeMs,
           loadDurationMs, loadable.bytesLoaded(), error, isFatal);
       boolean shouldBlacklist = ChunkedTrackBlacklistUtil.shouldBlacklist(error);
-      boolean shouldRetryIfNotFatal = notifyPlaylistError(playlistUrl, shouldBlacklist);
+      boolean shouldRetryIfNotFatal =
+          notifyPlaylistError(playlistUrl, shouldBlacklist) || !shouldBlacklist;
       if (isFatal) {
         return Loader.DONT_RETRY_FATAL;
       }