GitLab

actions UI.

- Add enable hotspot and locate phone quick actions controllers.
- Connect the controllers to quick actions UI.
- Minor changes in fake tether controller for testing.

BUG=1106937,1126208

Change-Id: I1d4ace03120a4c51fcb351b7c19f33252b3fb81c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2428735
Commit-Queue: Andre Le <leandre@chromium.org>
Reviewed-by: Tim Song <tengs@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812915}