Update thread annotiation macros in modules to use RTC_ prefix

webrtc/modules/audio_processing/echo_control_mobile_impl.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 46 matching lines @@
 
   // EchoControlMobile implementation.
   int Enable(bool enable) override;
   int set_routing_mode(RoutingMode mode) override;
   int enable_comfort_noise(bool enable) override;
   int SetEchoPath(const void* echo_path, size_t size_bytes) override;
   int GetEchoPath(void* echo_path, size_t size_bytes) const override;
 
   int Configure();
 
-  rtc::CriticalSection* const crit_render_ ACQUIRED_BEFORE(crit_capture_);
+  rtc::CriticalSection* const crit_render_ RTC_ACQUIRED_BEFORE(crit_capture_);
   rtc::CriticalSection* const crit_capture_;
 
   bool enabled_ = false;
 
-  RoutingMode routing_mode_ GUARDED_BY(crit_capture_);
-  bool comfort_noise_enabled_ GUARDED_BY(crit_capture_);
-  unsigned char* external_echo_path_ GUARDED_BY(crit_render_)
-      GUARDED_BY(crit_capture_);
+  RoutingMode routing_mode_ RTC_GUARDED_BY(crit_capture_);
+  bool comfort_noise_enabled_ RTC_GUARDED_BY(crit_capture_);
+  unsigned char* external_echo_path_ RTC_GUARDED_BY(crit_render_)
+      RTC_GUARDED_BY(crit_capture_);
 
   std::vector<std::unique_ptr<Canceller>> cancellers_;
   std::unique_ptr<StreamProperties> stream_properties_;
 
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(EchoControlMobileImpl);
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CONTROL_MOBILE_IMPL_H_