Resolve cyclic dependency between audio network adaptor and event log api

webrtc/modules/audio_coding/audio_network_adaptor/event_log_writer.h

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_EVENT_LOG_WRITER_H_
 #define WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_EVENT_LOG_WRITER_H_
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
 
 namespace webrtc {
 class RtcEventLog;
 
 class EventLogWriter final {
  public:
   EventLogWriter(RtcEventLog* event_log,
                  int min_bitrate_change_bps,
                  float min_bitrate_change_fraction,
                  float min_packet_loss_change_fraction);
   ~EventLogWriter();
-  void MaybeLogEncoderConfig(
-      const AudioNetworkAdaptor::EncoderRuntimeConfig& config);
+  void MaybeLogEncoderConfig(const AudioEncoderRuntimeConfig& config);
 
  private:
-  void LogEncoderConfig(
-      const AudioNetworkAdaptor::EncoderRuntimeConfig& config);
+  void LogEncoderConfig(const AudioEncoderRuntimeConfig& config);
 
   RtcEventLog* const event_log_;
   const int min_bitrate_change_bps_;
   const float min_bitrate_change_fraction_;
   const float min_packet_loss_change_fraction_;
-  AudioNetworkAdaptor::EncoderRuntimeConfig last_logged_config_;
+  AudioEncoderRuntimeConfig last_logged_config_;
   RTC_DISALLOW_COPY_AND_ASSIGN(EventLogWriter);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_EVENT_LOG_WRITER_H_