This allows us to verify consistency of codec lists in more places.
Bug: webrtc:360058654
Change-Id: Ibd0d10579c4b8058031db0df458e8fc9e2181152
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/371921
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43594}