Adds a new voice engine warning for the typing noise off state.
The old VE_TYPING_NOISE_WARNING is unchanged and fired whenever typing noise is detected.
The new VE_TYPING_NOISE_OFF_WARNING is fired when typing noise was detected and is gone now.
This is necessary for converting the typing state to a PeerConnection stats.

R=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2209004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4770 4adac7df-926f-26a2-2b94-8c16560cd09d
4 files changed