NuPlayer: getSelectedTrack

Change-Id: If5251f89b881e7f268e11a06cd3685d794c958b6
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index 06bbbec..74892b6 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -22,6 +22,7 @@
 
 #include <media/stagefright/foundation/AMessage.h>
 #include <media/stagefright/MetaData.h>
+#include <media/mediaplayer.h>
 #include <utils/Vector.h>
 
 namespace android {
@@ -86,6 +87,10 @@
         return NULL;
     }
 
+    virtual ssize_t getSelectedTrack(media_track_type /* type */) const {
+        return INVALID_OPERATION;
+    }
+
     virtual status_t selectTrack(size_t /* trackIndex */, bool /* select */) {
         return INVALID_OPERATION;
     }