GitLab

Apply an app:tint to the icons in the sharing hub, so they correctly
change color when the system is in dark mode.

screenshot: http://screen/zsopm5J1Tg1.png

Bug: 1009124
Change-Id: I4fbf93959829ca570aa5c0b33837ab017e5744a3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1974694Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Kyle Milka <kmilka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#726110}