Added functionality for specifying the initial signal level to use for the gain estimation in the l…

webrtc/modules/audio_processing/audio_processing_impl.cc

Index: webrtc/modules/audio_processing/audio_processing_impl.cc
diff --git a/webrtc/modules/audio_processing/audio_processing_impl.cc b/webrtc/modules/audio_processing/audio_processing_impl.cc
index 2a2e54d5dba7d71b2e07e7c219fbd51588e7470f..dbd670f964cbeabff02d039fdd8c796d135f7026 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.cc
+++ b/webrtc/modules/audio_processing/audio_processing_impl.cc
@@ -990,6 +990,11 @@ void AudioProcessingImpl::set_stream_key_pressed(bool key_pressed) {
   capture_.key_pressed = key_pressed;
 }
 
+void AudioProcessingImpl::SetLevelControllerInitialLevel(float level) {
+  rtc::CritScope cs(&crit_capture_);
+  private_submodules_->level_controller->SetInitialLevel(level);
+}
+
 void AudioProcessingImpl::set_delay_offset_ms(int offset) {
   rtc::CritScope cs(&crit_capture_);
   capture_.delay_offset_ms = offset;