Add setVideoScalingMode support to NuPlayer

o related-to-bug: 7089195

Change-Id: Ic30d9312673f2d5837c779e023ac64468ecd4951
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.h b/media/libmediaplayerservice/nuplayer/NuPlayer.h
index 996806e..36d3a9c 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.h
@@ -55,6 +55,8 @@
     // Will notify the driver through "notifySeekComplete" once finished.
     void seekToAsync(int64_t seekTimeUs);
 
+    status_t setVideoScalingMode(int32_t mode);
+
 protected:
     virtual ~NuPlayer();
 
@@ -130,6 +132,8 @@
     int64_t mVideoLateByUs;
     int64_t mNumFramesTotal, mNumFramesDropped;
 
+    int32_t mVideoScalingMode;
+
     status_t instantiateDecoder(bool audio, sp<Decoder> *decoder);
 
     status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg);