Surface the IntelligibilityEnhancer on MediaConstraints

webrtc/modules/audio_device/android/audio_device_template.h

 /*
  *  Copyright (c) 2013 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 464 matching lines @@
   // is not blacklisted.
   bool BuiltInNSIsAvailable() const override {
     return audio_manager_->IsNoiseSuppressorSupported();
   }
 
   int32_t EnableBuiltInNS(bool enable) override {
     RTC_CHECK(BuiltInNSIsAvailable()) << "HW NS is not available";
     return input_.EnableBuiltInNS(enable);
   }
 
+  // Returns true if the Intelligibility Enhancer is enabled
+  bool IntelligibilityIsEnabled() const override {
+    return audio_manager_->IsIntelligibilityEnhancerEnabled();
+  }
+
  private:
   rtc::ThreadChecker thread_checker_;
 
   // Local copy of the audio layer set during construction of the
   // AudioDeviceModuleImpl instance. Read only value.
   const AudioDeviceModule::AudioLayer audio_layer_;
 
   // Non-owning raw pointer to AudioManager instance given to use at
   // construction. The real object is owned by AudioDeviceModuleImpl and the
   // life time is the same as that of the AudioDeviceModuleImpl, hence there
   // is no risk of reading a NULL pointer at any time in this class.
   AudioManager* const audio_manager_;
 
   OutputType output_;
 
   InputType input_;
 
   bool initialized_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_AUDIO_DEVICE_TEMPLATE_H_