This change migrates RTCP send polling happening in
ModuleRtpRtcpImpl2::Process to task queues.
ModuleRtpRtcpImpl2 would previously only cause RTCP sends while being
registered with a ProcessThread. This is now relaxed so that RTCP will
be sent regardless of ProcessThread registration status, and it seems
no tests cared.
Now there's only one piece of polling left in Process.
Bug: webrtc:11581
Change-Id: Ibdcffefccef7363f2089c34a9c7d694d222445c0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/222603
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Tommi <tommi@webrtc.org>
Commit-Queue: Markus Handell <handellm@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34350}
885d538cdd