GitLab

Add the functionality to open settings page in the settings buttons
of PhoneHub bubble and PhoneHub notification.

BUG=1106937,1126208

Change-Id: I751c0dfb227c5d0d0d0e47f6fd97753a460e530a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2453872
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@{#814903}