GitLab

Bug: none
Test: check virtual keyboard still appears with drawing tablets
connected to a device in tablet mode, and that buttons on the drawing
tablet (if any) still work.

Change-Id: I7502a585443bda79c448c46e379703258d62ba81
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2622759Reviewed-by: Michael Spang <spang@chromium.org>
Commit-Queue: Michael Spang <spang@chromium.org>
Auto-Submit: Harry Cutts <hcutts@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842379}