This completes the split-channel work for the Video side.
Note: For ease of review, the implementations in the .cc
file have not been sorted between sender and receiver. This
can be done in a later purely-editorial CL.
Bug: webrtc:13931
Change-Id: I36cf015d5facb1eed368070cb204a8763ac19a9c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/307180
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40207}
f785bd46e8