Polish permissions review UI.

This change adds a more info button to the permission
grant UI and the permission review UI which sends the
user to the all permissions screen.

It also adds UI to manage all permissions in the SMS
group individually. Now tapping on the switch in the app
permissions screen toggles the permission group and
tapping on the permission name sends the user to the
detailed permission-level management UI.

Lastly, this change adds management controls to each SMS
permission in the all permissions screen where tapping on
the switch toggles the permission and tapping on the
name as before shows a detailed description.

Change-Id: I1d6cbc478c789e7680f41b92b9f3fa2504576ecd