Revert 4008 "Avoid resetting video encoder for similar configs."

> Avoid resetting video encoder for similar configs.
> 
> BUG=1681
> R=holmer@google.com, mflodman@webrtc.org, stefan@webrtc.org
> 
> Review URL: https://webrtc-codereview.appspot.com/1442006

TBR=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1431005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4010 4adac7df-926f-26a2-2b94-8c16560cd09d
2 files changed