GitLab

This updates 2 UI surfaces to reflect notifications permissions set for
the DSE. Specifically:
1) In android Site Details, when toggle the DSE permission for
notififications, it will show the options "Allow/Block for the current
search engine". 2 cases are handled here: one when that setting links
directly into Notification Channels on Android O+ and the other in the
case where the permission is handled directly in Chrome.

2) In Settings>Search Engines, underneath the currently selected search
engine, it will display a link indicating whether
notifications/geolocation are allowed. The link will take the user to
the Site Details for the search engine. Several changes have been made
to the behavior here:
-The link used to indicate if location was disabled. Now, if
notifications are location are disabled, nothing will be shown in the
text for those permissions.
-The link used to take users directly to Android Location Settings when
the text indicated that system location was disabled. But now due to the
link handling combined permissions, it always takes the user directly to
Site Details for the search engine, where the user can follow a link
into Android Location Settings.

Bug: 780344
Change-Id: I41e0dd1028ad289141d1632875d30373b528f17c
Reviewed-on: https://chromium-review.googlesource.com/799534
Commit-Queue: Raymes Khoury <raymes@chromium.org>
Reviewed-by: Ben Wells <benwells@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#523606}