Fix SimpleDecoderAudioRenderer processEndOfStream error propagation

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=183068548

library/core/src/main/java/com/google/android/exoplayer2/audio/SimpleDecoderAudioRenderer.java

@@ -426,7 +426,7 @@ private void processEndOfStream() throws ExoPlaybackException {
     try {
       audioSink.playToEndOfStream();
     } catch (AudioSink.WriteException e) {
-      throw ExoPlaybackException.createForRenderer(drmSession.getError(), getIndex());
+      throw ExoPlaybackException.createForRenderer(e, getIndex());
     }
   }