[webrtc-pc] Pull Request: Prepare for CR publication

dontcallmedom has just submitted a new pull request for https://github.com/w3c/webrtc-pc:

== Prepare for CR publication ==
This prepares the repo for the publication of the final CR. It will need to be rebased once we merge the last few pending substantive changes.

See https://github.com/w3c/webrtc-pc/pull/2407