Reland of added functionality for specifying the initial signal level to use for the gain estimation

webrtc/modules/audio_processing/level_controller/lc_constants.h

Index: webrtc/modules/audio_processing/level_controller/lc_constants.h
diff --git a/webrtc/modules/audio_processing/level_controller/lc_constants.h b/webrtc/modules/audio_processing/level_controller/lc_constants.h
deleted file mode 100644
index 3390cc96e5e12bb97abfc15ebf72b02db23853cf..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_processing/level_controller/lc_constants.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- *  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_PROCESSING_LEVEL_CONTROLLER_LC_CONSTANTS_H_
-#define WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_LC_CONSTANTS_H_
-
-namespace webrtc {
-
-const float kMaxLcGain = 10;
-const float kMaxLcNoisePower = 100.f * 100.f;
-const float kTargetLcPeakLevel = 0.5f * 32767.f;
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_LEVEL_CONTROLLER_LC_CONSTANTS_H_