GitLab

Since the display work area bounds are not updated
when the shelf alignment changes while in overview
mode, then updating the grid bounds won't make any
difference, so we simply exit overview.

BUG=990293
TEST=Added a test

Change-Id: I545edaea9080012c34263a6f48962fbf710e984c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1733797Reviewed-by: Sammie Quon <sammiequon@chromium.org>
Commit-Queue: Ahmed Fakhry <afakhry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683803}