Allow shaped-desktop hosts to send shape only when it changes.

remoting/codec/audio_decoder_opus.cc

Index: remoting/codec/audio_decoder_opus.cc
diff --git a/remoting/codec/audio_decoder_opus.cc b/remoting/codec/audio_decoder_opus.cc
index 656d4acdeefa9b5f1aed4254e2997ad58510785f..e7bd5ace2040bb998930ea19e1ec692f4f186e32 100644
--- a/remoting/codec/audio_decoder_opus.cc
+++ b/remoting/codec/audio_decoder_opus.cc
@@ -26,10 +26,7 @@ const AudioPacket::SamplingRate kSamplingRate =
 }  // namespace
 
 AudioDecoderOpus::AudioDecoderOpus()
-    : sampling_rate_(0),
-      channels_(0),
-      decoder_(nullptr) {
-}
+    : sampling_rate_(0), channels_(0), decoder_(nullptr) {}
 
 AudioDecoderOpus::~AudioDecoderOpus() {
   DestroyDecoder();