MediaCodecVideoEncoder: Add number of quality resolution downscales to Encoded callback.

talk/app/webrtc/java/jni/androidmediaencoder_jni.cc

Index: talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
diff --git a/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc b/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
index b0a64333c73d61523e8dcf0596556ac15e06d52d..ac349e7faf8988c7ec70253a82b969427adc55c9 100644
--- a/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
+++ b/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
@@ -772,6 +772,8 @@ bool MediaCodecVideoEncoder::DeliverPendingOutputs(JNIEnv* jni) {
       image->_frameType =
           (key_frame ? webrtc::kVideoFrameKey : webrtc::kVideoFrameDelta);
       image->_completeFrame = true;
+      image->adapt_reason_.quality_resolution_downscales =
+          scale_ ? quality_scaler_.downscale_shift() : -1;
 
       webrtc::CodecSpecificInfo info;
       memset(&info, 0, sizeof(info));