integrate videoeditor preview player.

Change-Id: I83084f494605c8e6f4d198afa8c36f9e29579667
diff --git a/include/media/stagefright/AudioPlayer.h b/include/media/stagefright/AudioPlayer.h
index 37af032..d12ee9c 100644
--- a/include/media/stagefright/AudioPlayer.h
+++ b/include/media/stagefright/AudioPlayer.h
@@ -65,6 +65,7 @@
     bool reachedEOS(status_t *finalStatus);
 
 private:
+    friend class VideoEditorAudioPlayer;
     sp<MediaSource> mSource;
     AudioTrack *mAudioTrack;
 
diff --git a/media/libstagefright/include/AwesomePlayer.h b/media/libstagefright/include/AwesomePlayer.h
index 130ad82..fe00856 100644
--- a/media/libstagefright/include/AwesomePlayer.h
+++ b/media/libstagefright/include/AwesomePlayer.h
@@ -100,6 +100,7 @@
 
 private:
     friend struct AwesomeEvent;
+    friend struct PreviewPlayer;
 
     enum {
         PLAYING             = 1,