GitLab

Added test for enabling and  disabling virtual keyboard and docked
magnifier accessibility features.

BUG=953020

Change-Id: I380baa5ee34bdb3b006751d13e0566470b2f5dcc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1607132Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Commit-Queue: Toni Baržić <tbarzic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#659312}