The pacer status is never changed unless MaybeProcessPackets() is called. This CL removes the scheduler, and updates pacer status after every MaybeProcessPackets(). Bug: webrtc:10809, webrtc:13417 Change-Id: Ib5f18decf44c1596c0a716d799600a72b2332abd Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/239120 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35489}