Groundwork to support bidirectional, asynchronous communication

between NuPlayer and its sources.

Change-Id: I1989022d806206b926555add3aa5c1fcf37aa78d
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.h b/media/libmediaplayerservice/nuplayer/RTSPSource.h
index 779d791..033b3e8 100644
--- a/media/libmediaplayerservice/nuplayer/RTSPSource.h
+++ b/media/libmediaplayerservice/nuplayer/RTSPSource.h
@@ -32,6 +32,7 @@
 
 struct NuPlayer::RTSPSource : public NuPlayer::Source {
     RTSPSource(
+            const sp<AMessage> &notify,
             const char *url,
             const KeyedVector<String8, String8> *headers,
             bool uidValid = false,