MediaPlayer2: hook up srcId.

Test: MediaPlayer2 plays.
Bug: 63934228
Change-Id: I0dd8b345d89034600e1c0fb3f58e4d92990c0054
diff --git a/media/libmediaplayer2/include/mediaplayer2/MediaPlayer2EngineClient.h b/media/libmediaplayer2/include/mediaplayer2/MediaPlayer2EngineClient.h
index 22df095..0b066aa 100644
--- a/media/libmediaplayer2/include/mediaplayer2/MediaPlayer2EngineClient.h
+++ b/media/libmediaplayer2/include/mediaplayer2/MediaPlayer2EngineClient.h
@@ -25,7 +25,7 @@
 class MediaPlayer2EngineClient: public RefBase
 {
 public:
-    virtual void notify(int msg, int ext1, int ext2, const Parcel *obj) = 0;
+    virtual void notify(int64_t srcId, int msg, int ext1, int ext2, const Parcel *obj) = 0;
 };
 
 }; // namespace android