Creating the audio_modem component

components/audio_modem/constants.cc

Index: components/audio_modem/constants.cc
diff --git a/components/copresence/copresence_constants.cc b/components/audio_modem/constants.cc
similarity index 79%
rename from components/copresence/copresence_constants.cc
rename to components/audio_modem/constants.cc
index 3c86938b807b76b693a3dc10bd429ba93de3990e..810bdf81930a94e3e762bf094ce4206bb71f2a3f 100644
--- a/components/copresence/copresence_constants.cc
+++ b/components/audio_modem/constants.cc
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/copresence/public/copresence_constants.h"
+#include "components/audio_modem/public/audio_modem_types.h"
 
-namespace copresence {
+namespace audio_modem {
 
 const int kDefaultRepetitions = 5;
 const float kDefaultSampleRate = 48000.0f;
@@ -13,4 +13,4 @@ const float kDefaultCarrierFrequency = 18500.0f;
 const int kDefaultChannels = 2;
 const media::ChannelLayout kDefaultChannelLayout = media::CHANNEL_LAYOUT_STEREO;
 
-}  // namespace copresence
+}  // namespace audio_modem