This is in preparation of merging the PLC and CNG decision logic. Bug: webrtc:13322 Change-Id: Ica782440b0d5c43c92ad5c33631b0cb708b51b0e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/297861 Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39580}