Tommi 8814dfd124 Remove RTCPReceiver::main_ssrc_.
RTCPReceiver::main_ssrc_ and local_media_ssrc() represent the same
value but could get out of sync when `set_media_ssrc()` was called.

Instead of using main_ssrc_, just use the local_media_ssrc() accessor.

Bug: webrtc:11993
Change-Id: I2b034287e6b6025d9b0d2affa391a168896a614b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262663
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36905}
2022-05-17 09:28:54 +00:00
..
2020-12-03 13:09:04 +00:00