Added logging of the level controller metrics

webrtc/modules/audio_processing/level_controller/level_controller.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.
  */
 
@@ skipping 25 matching lines @@
 
   void Initialize(int sample_rate_hz);
   void Process(AudioBuffer* audio);
   float GetLastGain() { return last_gain_; }
 
  private:
   class Metrics {
    public:
     Metrics() { Initialize(AudioProcessing::kSampleRate48kHz); }
     void Initialize(int sample_rate_hz);
-    void Update(float peak_level, float noise_level, float gain);
+    void Update(float long_term_peak_level,
+                float noise_level,
+                float gain,
+                float frame_peak_level);
 
    private:
     void Reset();
 
     size_t metrics_frame_counter_;
     float gain_sum_;
     float peak_level_sum_;
     float noise_energy_sum_;
     float max_gain_;
     float max_peak_level_;
@@ skipping 14 matching lines @@
   float dc_level_[2];
   float dc_forgetting_factor_;
   float last_gain_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(LevelController);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_LEVEL_CONTROLLER_H_