GitLab

Ensure the GPU thread task to schedule DC overlays runs after the
mailboxes have been mapped to textures.

Bug: 1003040
Change-Id: I0a5a8b4ce1c24d8b64fbb600092703e5e8a2d136
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1907193
Commit-Queue: kylechar <kylechar@chromium.org>
Reviewed-by: Jonathan Backer <backer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714495}