Add setParameter/getParameter to MediaPlayer API.
for bug 1982947

Change-Id: If3f40e4f18cbba155af29944af38bdc627f8cd53
diff --git a/include/media/mediaplayer.h b/include/media/mediaplayer.h
index 748e489..241626c 100644
--- a/include/media/mediaplayer.h
+++ b/include/media/mediaplayer.h
@@ -177,6 +177,9 @@
             int             getAudioSessionId();
             status_t        setAuxEffectSendLevel(float level);
             status_t        attachAuxEffect(int effectId);
+            status_t        setParameter(int key, const Parcel& request);
+            status_t        getParameter(int key, Parcel* reply);
+
 private:
             void            clear_l();
             status_t        seekTo_l(int msec);