Reorganize modules/video_render.

The usual elimination of main/source etc.

Review URL: https://webrtc-codereview.appspot.com/929011

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3027 4adac7df-926f-26a2-2b94-8c16560cd09d
66 files changed