Replace Clock with timeutils in AudioEncoder.

webrtc/modules/audio_coding/codecs/audio_encoder.h

Index: webrtc/modules/audio_coding/codecs/audio_encoder.h
diff --git a/webrtc/modules/audio_coding/codecs/audio_encoder.h b/webrtc/modules/audio_coding/codecs/audio_encoder.h
index b58f964f52dc0f7c10c6e727b7c2cc5583218701..bdbbf2d45b7871cf1ab2eaaf3327e63612d93153 100644
--- a/webrtc/modules/audio_coding/codecs/audio_encoder.h
+++ b/webrtc/modules/audio_coding/codecs/audio_encoder.h
@@ -164,8 +164,7 @@ class AudioEncoder {
 
   // Enables audio network adaptor. Returns true if successful.
   virtual bool EnableAudioNetworkAdaptor(const std::string& config_string,
-                                         RtcEventLog* event_log,
-                                         const Clock* clock);
+                                         RtcEventLog* event_log);
 
   // Disables audio network adaptor.
   virtual void DisableAudioNetworkAdaptor();