Hooking up EncoderStateFeedback to handle intra requests instead of trigger
ViEEncoder directly. This is one step towards adding send- and receive only
channels and getting rid of the default module.

BUG=769

Review URL: https://webrtc-codereview.appspot.com/824004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2812 4adac7df-926f-26a2-2b94-8c16560cd09d
13 files changed