Revert r8430 "Remove dead stats from Video{Sender,Receiver}Info."

This breaks compilation outside this codebase that needs to have it
removed before.

BUG=4322
TBR=tommi@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/42009004

Cr-Commit-Position: refs/heads/master@{#8432}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8432 4adac7df-926f-26a2-2b94-8c16560cd09d
4 files changed