Move coder, file_player, and file_recorder to webrtc/voice_engine

webrtc/voice_engine/coder.cc

Index: webrtc/voice_engine/coder.cc
diff --git a/webrtc/modules/utility/source/coder.cc b/webrtc/voice_engine/coder.cc
similarity index 98%
rename from webrtc/modules/utility/source/coder.cc
rename to webrtc/voice_engine/coder.cc
index f72d03b887de9356df67d44bb20f7d8963f868c5..25c8c1e06b66deeaf83e1c9d3ab9fc0297c894bd 100644
--- a/webrtc/modules/utility/source/coder.cc
+++ b/webrtc/voice_engine/coder.cc
@@ -8,10 +8,11 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "webrtc/voice_engine/coder.h"
+
 #include "webrtc/common_types.h"
 #include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h"
 #include "webrtc/modules/include/module_common_types.h"
-#include "webrtc/modules/utility/source/coder.h"
 
 namespace webrtc {
 namespace {