GitLab

This CL wires up 'Activity and interactions' and 'Google activity
controls' entries in SyncAndServicesPreferences. It also updates
strings used for 'Google activity controls' entry.

Bug: 814728
Change-Id: I161bdc0df44d46aba3ad795da2c2a9be5ca543c9
Reviewed-on: https://chromium-review.googlesource.com/1194038Reviewed-by: Theresa <twellington@chromium.org>
Commit-Queue: Boris Sazonov <bsazonov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587241}