GitLab

This CL extracts surface damage tracking logic from DisplayScheduler
to new class DisplayDamageTracker. After the change DisplayScheduler
is only doing deadline planning based on damage information from
tracker.

Bug: 805739
Change-Id: Ibafb6e17a6ab9a3b2e0db466dcc031059896f50b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1944631Reviewed-by: kylechar <kylechar@chromium.org>
Commit-Queue: Vasiliy Telezhnikov <vasilyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#722968}