Make people lookup default overlay

Change-Id: I6dd7267bc82d33e04d99024e4dfb193f071d4f97
SettingsProvider: fix load protected sms setting logic

The method assumed a string resource, but we are working with
string-arrays.

Change-Id: I7d03821c5f5ac5d24445e5c03f7911c3a81c16dd
Signed-off-by: Roman Birg <roman@cyngn.com>