config_ was written and read on different threads without sync. This CL
moves config access on worker_thread_ with all other required fields.
It keeps only bitrate allocator accessed from worker_queue_, because
it is used from it in other classes and supposed to be single threaded.
Bug: None
Change-Id: I23ece4dc8b09b41a8c589412bedd36d63b76cbc5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/203267
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33125}
51e5c4b0f4