Telephony: GSM: remove 'Carrier Settings' regardless of csp_enabled

Carrier Settings should be removed when config_carrier_settings_enable
is false. csp_enabled has nothing to do with it.

Fixes "Carrier Settings" appearing and crashing when the user clicks
on it.

Change-Id: I31c508f2353eb15a096aa279e71c4be4ce89abb8
Contacts/Dialer/InCallUI: Dark theme, (7/7):

Part 1/7: frameworks/base
Part 2/7: Contacts
Part 3/7: ContactsCommon
Part 4/7: Dialer
Part 5/7: InCallUI
Part 6/7: PhoneCommon
Part 7/7: services/Telephony

This also changes the theme of the
Mobile network settings (System settings)
from light to dark