Revert of Rename thread annotation macros to have RTC prefix for syncrhonization primitives.

webrtc/modules/audio_device/linux/audio_device_pulse_linux.h

Index: webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
diff --git a/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h b/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
index ada275b457de84c28594638b6fd7cc79682eb1cc..7e8d68347bc5e7354e5d2b9699af527bc8721424 100644
--- a/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
+++ b/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
@@ -199,10 +199,10 @@
    void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) override;
 
 private:
-    void Lock() RTC_EXCLUSIVE_LOCK_FUNCTION(_critSect) {
+    void Lock() EXCLUSIVE_LOCK_FUNCTION(_critSect) {
         _critSect.Enter();
     }
-    void UnLock() RTC_UNLOCK_FUNCTION(_critSect) {
+    void UnLock() UNLOCK_FUNCTION(_critSect) {
         _critSect.Leave();
     }
     void WaitForOperationCompletion(pa_operation* paOperation) const;