GitLab

Add DisplayTest, DisplayTransformHint to verify Display output
size is expected for the combination of display transform hint and
whether the output surface supports display transform hint.

Bug: 1031043
Change-Id: I295798268fdde818b37a4fee7ed6097346ed17e0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1956121Reviewed-by: Khushal <khushalsagar@chromium.org>
Commit-Queue: Xiyuan Xia <xiyuan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#722969}