GitLab

Waiting for the compositor "activation" means that we cannot
parallelize the layers. Create an experiment here to remove it.

Tests and perf with this WIP CL:
https://chromium-review.googlesource.com/c/chromium/src/+/2057346

Bug: 1046463
Change-Id: I7631a84eca45e2ce20de51628c8c652108ba6cba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2056933
Commit-Queue: Aaron Krajeski <aaronhk@chromium.org>
Reviewed-by: Aaron Krajeski <aaronhk@chromium.org>
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743161}