Update to use similar bitrate limits as VP9, depending on whether QP
from encoder is trusted or not.
Bug: chromium:392060821
Change-Id: I305182fecf7acfe84dbd2e049f9ce712a7a30ede
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/376762
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43898}