This will be used in the frame buffer 3 scheduler. Bug: webrtc:13343 Change-Id: Ib699072021da30022a34aabe24e36a37e89ddf41 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/245642 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Evan Shrubsole <eshr@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35658}