Adding audio to video_quality_test.

webrtc/video/video_quality_test.h

Index: webrtc/video/video_quality_test.h
diff --git a/webrtc/video/video_quality_test.h b/webrtc/video/video_quality_test.h
index b1f59e540d880a845f37c4a260d42405a74938fa..12640f24bbda037eb43f97ccb90d309d531c0fcc 100644
--- a/webrtc/video/video_quality_test.h
+++ b/webrtc/video/video_quality_test.h
@@ -70,6 +70,8 @@ class VideoQualityTest : public test::CallTest {
       // If empty, bitrates are generated in VP9Impl automatically.
       std::vector<SpatialLayer> spatial_layers;
     } ss;
+    bool audio;
+    bool audio_video_sync;
   };
   // (*) Set to -1.1 if generating graph data for simulcast or SVC and the
   // selected stream/layer doesn't have the same resolution as the largest