Cleaned up logging in video_coding.

Converted all calls to WEBRTC_TRACE to LOG(). Also removed a large number of less useful logs.

BUG=3153
R=mflodman@webrtc.org, pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/11169004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5887 4adac7df-926f-26a2-2b94-8c16560cd09d
48 files changed