Wire up VideoOptions for payload-based padding.

BUG=1788
R=wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/18879004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6759 4adac7df-926f-26a2-2b94-8c16560cd09d
Implement suspend-below-min-bitrate option.

BUG=1788
R=wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/17989004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6760 4adac7df-926f-26a2-2b94-8c16560cd09d
(Auto)update libjingle 71675033-> 71726409

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6761 4adac7df-926f-26a2-2b94-8c16560cd09d