New HLS implementation supporting independent stream sources, audio-only streams

and more.

Change-Id: Icfc45a0100243b2f7a14a9e65696be45b67d6495
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index 1cbf575..81ffd21 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -42,6 +42,7 @@
         kWhatVideoSizeChanged,
         kWhatBufferingStart,
         kWhatBufferingEnd,
+        kWhatQueueDecoderShutdown,
     };
 
     // The provides message is used to notify the player about various