Make sure rotation is not applied by the capturer if the CVO exenstion is set before the send strea…

webrtc/media/engine/webrtcvideoengine2.cc

Index: webrtc/media/engine/webrtcvideoengine2.cc
diff --git a/webrtc/media/engine/webrtcvideoengine2.cc b/webrtc/media/engine/webrtcvideoengine2.cc
index 38d2e5670b9d841c13fc3d776a6987a805d7da57..11a3e28948129dbc73651c60592f76f3b4c0d09b 100644
--- a/webrtc/media/engine/webrtcvideoengine2.cc
+++ b/webrtc/media/engine/webrtcvideoengine2.cc
@@ -1509,6 +1509,9 @@ WebRtcVideoChannel2::WebRtcVideoSendStream::WebRtcVideoSendStream(
   parameters_.config.overuse_callback =
       enable_cpu_overuse_detection ? this : nullptr;
 
+  sink_wants_.rotation_applied = !ContainsHeaderExtension(
+      rtp_extensions, kRtpVideoRotationHeaderExtension);
+
   if (codec_settings) {
     SetCodec(*codec_settings);
   }