Let ViEEncoder express resolution requests as Sinkwants

webrtc/video/video_quality_test.cc

Index: webrtc/video/video_quality_test.cc
diff --git a/webrtc/video/video_quality_test.cc b/webrtc/video/video_quality_test.cc
index 8e89544721d22e712e0538afb2fa969d1d7d0cf5..c773e431502c2e150b2caf1d8a6279ca03ef2d1f 100644
--- a/webrtc/video/video_quality_test.cc
+++ b/webrtc/video/video_quality_test.cc
@@ -1217,7 +1217,9 @@ void VideoQualityTest::RunWithAnalyzer(const Params& params) {
 
   CreateVideoStreams();
   analyzer.SetSendStream(video_send_stream_);
-  video_send_stream_->SetSource(analyzer.OutputInterface());
+  video_send_stream_->SetSource(
+      analyzer.OutputInterface(),
+      VideoSendStream::DegradationPreference::kBalanced);
 
   CreateCapturer();
   rtc::VideoSinkWants wants;
@@ -1365,7 +1367,9 @@ void VideoQualityTest::RunWithRenderers(const Params& params) {
     video_receive_stream = call->CreateVideoReceiveStream(
         video_receive_configs_[stream_id].Copy());
     CreateCapturer();
-    video_send_stream_->SetSource(video_capturer_.get());
+    video_send_stream_->SetSource(
+        video_capturer_.get(),
+        VideoSendStream::DegradationPreference::kBalanced);
   }
 
   AudioReceiveStream* audio_receive_stream = nullptr;