Update the debug recordings to use protobufs.

Also modify the unittest proto based to correspond with the changes. process_test is a bit of a hack job, but it works fine and isn't too unreadable. We should refactor it properly later.
Review URL: http://webrtc-codereview.appspot.com/98007

git-svn-id: http://webrtc.googlecode.com/svn/trunk@296 4adac7df-926f-26a2-2b94-8c16560cd09d
12 files changed