Add baseline generation/verification to BWE test framework.

Updating resource file separately, once LGTM. Generates ~628k of files for current tests, highly compressable, once/if we need that.

BUG=
R=mflodman@webrtc.org, stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/4639004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5204 4adac7df-926f-26a2-2b94-8c16560cd09d
33 files changed