This entails passing in a PayloadTypeSuggester as a dependency. PT suggesting is still done according to the old method, but with new code. Bug: webrtc:360058654 Change-Id: I12a7d2aa6aa482fb62ff3dfb34b9761ebb7dddef Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/361200 Commit-Queue: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Florent Castelli <orphis@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42989}