Wire up currently-received video codec to stats.

webrtc/modules/video_coding/main/source/codec_database.cc

Index: webrtc/modules/video_coding/main/source/codec_database.cc
diff --git a/webrtc/modules/video_coding/main/source/codec_database.cc b/webrtc/modules/video_coding/main/source/codec_database.cc
index 2e2d91ec79f19eba7d82fe2381cb3f1861ae3e50..c0ec2c8442b46f5c1c3694cbbbd865b6457f4606 100644
--- a/webrtc/modules/video_coding/main/source/codec_database.cc
+++ b/webrtc/modules/video_coding/main/source/codec_database.cc
@@ -581,7 +581,7 @@ VCMGenericDecoder* VCMCodecDataBase::GetDecoder(
     return NULL;
   }
   VCMReceiveCallback* callback = decoded_frame_callback->UserReceiveCallback();
-  if (callback) callback->IncomingCodecChanged(receive_codec_);
+  if (callback) callback->OnIncomingPayloadType(receive_codec_.plType);
   if (ptr_decoder_->RegisterDecodeCompleteCallback(decoded_frame_callback)
       < 0) {
     ReleaseDecoder(ptr_decoder_);