This solves the problem of reconstructed packets biasing the bandwidth estimate. TEST=vie_auto_test --automated, trybots R=mflodman@webrtc.org, solenberg@webrtc.org Review URL: https://webrtc-codereview.appspot.com/1594005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4171 4adac7df-926f-26a2-2b94-8c16560cd09d