RTSP now properly publishes its "seekable" flags after connection

has successfully completed and only then signals that preparation is
complete.

Change-Id: I1a60f718e673fe1462c69369c40eafbed6a14326
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index 53c7c12..f5d4c38 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -81,7 +81,7 @@
 
     void notifyFlagsChanged(uint32_t flags);
     void notifyVideoSizeChanged(int32_t width, int32_t height);
-    void notifyPrepared();
+    void notifyPrepared(status_t err = OK);
 
 private:
     sp<AMessage> mNotify;