experimental support for fragmented mp4 playback in nuplayer

cherry picked from change 170999

Change-Id: I407775f0290154ad4961134839a15c9f296424c0
diff --git a/media/libmediaplayerservice/nuplayer/StreamingSource.h b/media/libmediaplayerservice/nuplayer/StreamingSource.h
index ca00ef9..3971e2a 100644
--- a/media/libmediaplayerservice/nuplayer/StreamingSource.h
+++ b/media/libmediaplayerservice/nuplayer/StreamingSource.h
@@ -33,12 +33,13 @@
 
     virtual status_t feedMoreTSData();
 
-    virtual sp<MetaData> getFormat(bool audio);
     virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
 
 protected:
     virtual ~StreamingSource();
 
+    virtual sp<MetaData> getFormatMeta(bool audio);
+
 private:
     sp<IStreamSource> mSource;
     status_t mFinalResult;