Settings: materialize Blacklist settings

* Add a FAB
* Add a (generic system) enable/disable switch bar

Change-Id: I0984bf6769abef48cc7e0a643c2bdd73219954fc
Signed-off-by: Roman Birg <roman@cyngn.com>
Settings: fix profile triggers not showing up for RTL languages

The layout was placing the title and summary off the screen for RTL
layouts.

Change-Id: I30e560fb9565581b2f55a826e90e110383581f28
Signed-off-by: Roman Birg <roman@cyngn.com>