Update thread annotiation macros to use RTC_ prefix

webrtc/rtc_tools/network_tester/packet_sender.h

 /*
  *  Copyright 2017 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 31 matching lines @@
   void StopSending();
   bool IsSending() const;
 
   void SendPacket();
 
   int64_t GetSendIntervalMs() const;
   void UpdateTestSetting(size_t packet_size, int64_t send_interval_ms);
 
  private:
   rtc::SequencedTaskChecker worker_queue_checker_;
-  size_t packet_size_ ACCESS_ON(worker_queue_checker_);
-  int64_t send_interval_ms_ ACCESS_ON(worker_queue_checker_);
-  int64_t sequence_number_ ACCESS_ON(worker_queue_checker_);
-  bool sending_ ACCESS_ON(worker_queue_checker_);
+  size_t packet_size_ RTC_ACCESS_ON(worker_queue_checker_);
+  int64_t send_interval_ms_ RTC_ACCESS_ON(worker_queue_checker_);
+  int64_t sequence_number_ RTC_ACCESS_ON(worker_queue_checker_);
+  bool sending_ RTC_ACCESS_ON(worker_queue_checker_);
   const std::string config_file_path_;
   TestController* const test_controller_;
   rtc::TaskQueue worker_queue_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(PacketSender);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_RTC_TOOLS_NETWORK_TESTER_PACKET_SENDER_H_