GitLab

Add DCHECK to make sure that panel rotation returns the correct
value when a display is updated on Android.

Bug: 1048294
Change-Id: Iad2747325ea724a23a66ce340c3c3984ace54a24
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2037640Reviewed-by: Bo <boliu@chromium.org>
Commit-Queue: Mitsuru Oshima <oshima@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738443}