Rename AutoMute to SuspendBelowMinBitrate

Changes all instances throughout the WebRTC stack.

BUG=2436
R=mflodman@webrtc.org, stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/3919004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5130 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_engine/vie_codec_impl.cc b/video_engine/vie_codec_impl.cc
index 4d927b5..94e4d7c 100644
--- a/video_engine/vie_codec_impl.cc
+++ b/video_engine/vie_codec_impl.cc
@@ -715,7 +715,7 @@
   return vie_encoder->StopDebugRecording();
 }
 
-void ViECodecImpl::EnableAutoMuting(int video_channel) {
+void ViECodecImpl::SuspendBelowMinBitrate(int video_channel) {
   ViEChannelManagerScoped cs(*(shared_data_->channel_manager()));
   ViEEncoder* vie_encoder = cs.Encoder(video_channel);
   if (!vie_encoder) {
@@ -724,7 +724,7 @@
                  "%s: No encoder %d", __FUNCTION__, video_channel);
     return;
   }
-  return vie_encoder->EnableAutoMuting();
+  return vie_encoder->SuspendBelowMinBitrate();
 }
 
 bool ViECodecImpl::CodecValid(const VideoCodec& video_codec) {