Add delay and send/receive throughput plots to BWE simulation.

R=mflodman@webrtc.org, solenberg@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/7999004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5491 4adac7df-926f-26a2-2b94-8c16560cd09d
7 files changed