Add new decoding statistics for muted output

webrtc/media/engine/webrtcvoiceengine.cc

Index: webrtc/media/engine/webrtcvoiceengine.cc
diff --git a/webrtc/media/engine/webrtcvoiceengine.cc b/webrtc/media/engine/webrtcvoiceengine.cc
index 235b9b3aafeb2641ac0b93a7fd0e8d660d1f728d..e066f309a74b09225c4a4f90d4786662e25a06a4 100644
--- a/webrtc/media/engine/webrtcvoiceengine.cc
+++ b/webrtc/media/engine/webrtcvoiceengine.cc
@@ -2611,6 +2611,7 @@ bool WebRtcVoiceMediaChannel::GetStats(VoiceMediaInfo* info) {
     rinfo.decoding_plc = stats.decoding_plc;
     rinfo.decoding_cng = stats.decoding_cng;
     rinfo.decoding_plc_cng = stats.decoding_plc_cng;
+    rinfo.decoding_muted_output = stats.decoding_muted_output;
     rinfo.capture_start_ntp_time_ms = stats.capture_start_ntp_time_ms;
     info->receivers.push_back(rinfo);
   }