GitLab

This is a reland CL for crrev/c/2419552, which ran into a compilation failure and merge conflict when reland.

In this CL:
- Create a base class for quick actions controller.
- Create silence phone controller that connect to the DND controller in PhoneHubManager. Display the icons according to the states.
- Hook up the quick actions UI in the bubble to silence phone controller. Enable hotspot and locate phone implementation will be added in the next CL.

BUG=1106937,1126208

Change-Id: Ie8540bdc29de8b73297dcf5c3f0a0d963f76d63d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2438590
Commit-Queue: Andre Le <leandre@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812338}