The new class "CodecVendor" is intended to handle all logic dealing
with codecs. This CL is a no-behavior-change CL, later CLs will
change the logic.
Bug: webrtc:360058654
Change-Id: I44e76f0e0bd364eeb7d4506f3e01e9e00e2843a2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/375500
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43806}
