Harald Alvestrand daee870a35 Remove ability to do SetChannel() without ClearChannel()
This calls out the fact that SetChannel() is only used on M-section activation; ClearChannel is called on deactivation, and we never change the channel while a transceiver is active.

Bug: webrtc:13931
Change-Id: I3a3bfeec7c1d27d98c3f94a9401bee2130754ed7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/260461
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36709}
2022-04-29 14:28:02 +00:00
..
2021-08-31 14:27:49 +00:00
2022-01-18 13:46:37 +00:00