Country information is already available elsewhere (MNC/MCC), so there's no
point enforcing these permissions.
It wasn't properly enforcing the permissions anyway, since the code path in
question was sometimes executed on a handler thread.
Bug 20927020
Change-Id: Ia090664917f7b694e80dd55934db442633bab1d8
a. The CountryDetector detects the country the user is in
in order of mobile network, location, sim card or locale.
It will be used by contact and contact provider.
b. All added APIs are hidden at this stage.
Change-Id: I4ba278571ffb6ab6ded0996d4f440a18534f8ed4
