TSan v2 reports data races in WebRTCAudioDeviceTest.FullDuplexAudioWithAGC

BUG=226044
TEST=content_unittests in Chrome with TSan v2 enabled

Review URL: https://webrtc-codereview.appspot.com/1201010

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3760 4adac7df-926f-26a2-2b94-8c16560cd09d
2 files changed