These message suppose to extract all information NetworkControllerInterface may need from rtcp. Bug: webrtc:8239 Change-Id: I21d9081ad147ca8abe1ae05ca7201568c6ff77d1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/230421 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#34876}