Add a tool for parsing an RTP file and outputting the BWE relevant fields.

R=henrik.lundin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2237005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4934 4adac7df-926f-26a2-2b94-8c16560cd09d
2 files changed