Discard CSD buffers from the raw decoder in passthrough mode.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=117129870

library/src/main/java/com/google/android/exoplayer/MediaCodecAudioTrackRenderer.java

@@ -330,6 +330,12 @@ public class MediaCodecAudioTrackRenderer extends MediaCodecTrackRenderer implem
   protected boolean processOutputBuffer(long positionUs, long elapsedRealtimeUs, MediaCodec codec,
       ByteBuffer buffer, MediaCodec.BufferInfo bufferInfo, int bufferIndex, boolean shouldSkip)
       throws ExoPlaybackException {
+    if (passthroughEnabled && (bufferInfo.flags & MediaCodec.BUFFER_FLAG_CODEC_CONFIG) != 0) {
+      // Discard output buffers from the passthrough (raw) decoder containing codec specific data.
+      codec.releaseOutputBuffer(bufferIndex, false);
+      return true;
+    }
+
     if (shouldSkip) {
       codec.releaseOutputBuffer(bufferIndex, false);
       codecCounters.skippedOutputBufferCount++;