Webrtc designed to work for point-to-point topology, and thus
each rtcp_receiver handles single remote sender.
While remote sender ssrc may change, it should be ok to assume
the remote endpoint is still the same.
Bug: webrtc:12798
Change-Id: I62aebe7ac802306fc7fa17d7bf3959d6d4cca023
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/224548
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34407}
510c94cbfb