Stop using LOG macros in favor of RTC_ prefixed macros.

This CL has been generated with the following script:

for m in PLOG \
  LOG_TAG \
  LOG_GLEM \
  LOG_GLE_EX \
  LOG_GLE \
  LAST_SYSTEM_ERROR \
  LOG_ERRNO_EX \
  LOG_ERRNO \
  LOG_ERR_EX \
  LOG_ERR \
  LOG_V \
  LOG_F \
  LOG_T_F \
  LOG_E \
  LOG_T \
  LOG_CHECK_LEVEL_V \
  LOG_CHECK_LEVEL \
  LOG
do
  git grep -l $m | xargs sed -i "s,\b$m\b,RTC_$m,g"
done
git checkout rtc_base/logging.h
git cl format

Bug: webrtc:8452
Change-Id: I1a53ef3e0a5ef6e244e62b2e012b864914784600
Reviewed-on: https://webrtc-review.googlesource.com/21325
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20617}
diff --git a/modules/audio_coding/acm2/codec_manager.cc b/modules/audio_coding/acm2/codec_manager.cc
index 2b3303b..50ef9ef 100644
--- a/modules/audio_coding/acm2/codec_manager.cc
+++ b/modules/audio_coding/acm2/codec_manager.cc
@@ -24,28 +24,28 @@
 // Check if the given codec is a valid to be registered as send codec.
 int IsValidSendCodec(const CodecInst& send_codec) {
   if ((send_codec.channels != 1) && (send_codec.channels != 2)) {
-    LOG(LS_ERROR) << "Wrong number of channels (" << send_codec.channels
-                  << "), only mono and stereo are supported)";
+    RTC_LOG(LS_ERROR) << "Wrong number of channels (" << send_codec.channels
+                      << "), only mono and stereo are supported)";
     return -1;
   }
 
   auto maybe_codec_id = RentACodec::CodecIdByInst(send_codec);
   if (!maybe_codec_id) {
-    LOG(LS_ERROR) << "Invalid codec setting for the send codec.";
+    RTC_LOG(LS_ERROR) << "Invalid codec setting for the send codec.";
     return -1;
   }
 
   // Telephone-event cannot be a send codec.
   if (!STR_CASE_CMP(send_codec.plname, "telephone-event")) {
-    LOG(LS_ERROR) << "telephone-event cannot be a send codec";
+    RTC_LOG(LS_ERROR) << "telephone-event cannot be a send codec";
     return -1;
   }
 
   if (!RentACodec::IsSupportedNumChannels(*maybe_codec_id, send_codec.channels)
            .value_or(false)) {
-    LOG(LS_ERROR) << send_codec.channels
-                  << " number of channels not supported for "
-                  << send_codec.plname << ".";
+    RTC_LOG(LS_ERROR) << send_codec.channels
+                      << " number of channels not supported for "
+                      << send_codec.plname << ".";
     return -1;
   }
   return RentACodec::CodecIndexFromId(*maybe_codec_id).value_or(-1);
@@ -81,8 +81,9 @@
     case RentACodec::RegistrationResult::kOk:
       return true;
     case RentACodec::RegistrationResult::kBadFreq:
-      LOG(LS_ERROR) << "RegisterSendCodec() failed, invalid frequency for RED"
-                       " registration";
+      RTC_LOG(LS_ERROR)
+          << "RegisterSendCodec() failed, invalid frequency for RED"
+             " registration";
       return false;
     case RentACodec::RegistrationResult::kSkip:
       break;
@@ -92,8 +93,9 @@
     case RentACodec::RegistrationResult::kOk:
       return true;
     case RentACodec::RegistrationResult::kBadFreq:
-      LOG(LS_ERROR) << "RegisterSendCodec() failed, invalid frequency for CNG"
-                       " registration";
+      RTC_LOG(LS_ERROR)
+          << "RegisterSendCodec() failed, invalid frequency for CNG"
+             " registration";
       return false;
     case RentACodec::RegistrationResult::kSkip:
       break;
@@ -127,14 +129,14 @@
 
 bool CodecManager::SetCopyRed(bool enable) {
   if (enable && codec_stack_params_.use_codec_fec) {
-    LOG(LS_WARNING) << "Codec internal FEC and RED cannot be co-enabled.";
+    RTC_LOG(LS_WARNING) << "Codec internal FEC and RED cannot be co-enabled.";
     return false;
   }
   if (enable && send_codec_inst_ &&
       codec_stack_params_.red_payload_types.count(send_codec_inst_->plfreq) <
           1) {
-    LOG(LS_WARNING) << "Cannot enable RED at " << send_codec_inst_->plfreq
-                    << " Hz.";
+    RTC_LOG(LS_WARNING) << "Cannot enable RED at " << send_codec_inst_->plfreq
+                        << " Hz.";
     return false;
   }
   codec_stack_params_.use_red = enable;
@@ -153,7 +155,7 @@
           ? (codec_stack_params_.speech_encoder->NumChannels() != 1)
           : false;
   if (enable && stereo_send) {
-    LOG(LS_ERROR) << "VAD/DTX not supported for stereo sending";
+    RTC_LOG(LS_ERROR) << "VAD/DTX not supported for stereo sending";
     return false;
   }
 
@@ -171,7 +173,7 @@
 
 bool CodecManager::SetCodecFEC(bool enable_codec_fec) {
   if (enable_codec_fec && codec_stack_params_.use_red) {
-    LOG(LS_WARNING) << "Codec internal FEC and RED cannot be co-enabled.";
+    RTC_LOG(LS_WARNING) << "Codec internal FEC and RED cannot be co-enabled.";
     return false;
   }