Resolve cyclic dependency between audio network adaptor and event log api

webrtc/modules/audio_coding/audio_network_adaptor/frame_length_controller_unittest.cc

 /*
  *  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.
  */
 
@@ skipping 83 matching lines @@
   if (overhead_bytes_per_packet) {
     Controller::NetworkMetrics network_metrics;
     network_metrics.overhead_bytes_per_packet = overhead_bytes_per_packet;
     controller->UpdateNetworkMetrics(network_metrics);
   }
 }
 
 void CheckDecision(FrameLengthController* controller,
                    const rtc::Optional<bool>& enable_fec,
                    int expected_frame_length_ms) {
-  AudioNetworkAdaptor::EncoderRuntimeConfig config;
+  AudioEncoderRuntimeConfig config;
   config.enable_fec = enable_fec;
   controller->MakeDecision(&config);
   EXPECT_EQ(rtc::Optional<int>(expected_frame_length_ms),
             config.frame_length_ms);
 }
 
 }  // namespace
 
 TEST(FrameLengthControllerTest, DecreaseTo20MsOnHighUplinkBandwidth) {
   auto controller =
@@ skipping 289 matching lines @@
   CheckDecision(controller.get(), rtc::Optional<bool>(), 60);
 
   UpdateNetworkMetrics(controller.get(),
                        rtc::Optional<int>(kMediumBandwidthBps),
                        rtc::Optional<float>(kFlDecreasingPacketLossFraction),
                        rtc::Optional<size_t>(kOverheadBytesPerPacket));
   CheckDecision(controller.get(), rtc::Optional<bool>(), 20);
 }
 
 }  // namespace webrtc