Groundwork to support bidirectional, asynchronous communication

between NuPlayer and its sources.

Change-Id: I1989022d806206b926555add3aa5c1fcf37aa78d
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
index afaa5db..e402115 100644
--- a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
@@ -29,11 +29,13 @@
 namespace android {
 
 NuPlayer::RTSPSource::RTSPSource(
+        const sp<AMessage> &notify,
         const char *url,
         const KeyedVector<String8, String8> *headers,
         bool uidValid,
         uid_t uid)
-    : mURL(url),
+    : Source(notify),
+      mURL(url),
       mUIDValid(uidValid),
       mUID(uid),
       mFlags(0),