Support streaming data across binder boundaries.

Change-Id: Ifbac61406dcb81343765f99ccba08bd90f9274cc
diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h
index 672931e..e7f1d6d 100644
--- a/include/media/MediaPlayerInterface.h
+++ b/include/media/MediaPlayerInterface.h
@@ -106,6 +106,11 @@
             const KeyedVector<String8, String8> *headers = NULL) = 0;
 
     virtual status_t    setDataSource(int fd, int64_t offset, int64_t length) = 0;
+
+    virtual status_t    setDataSource(const sp<IStreamSource> &source) {
+        return INVALID_OPERATION;
+    }
+
     virtual status_t    setVideoSurface(const sp<Surface>& surface) = 0;
     virtual status_t    prepare() = 0;
     virtual status_t    prepareAsync() = 0;