[2/3] Services: National Data Roaming

Credits: CM

Change-Id: I1230c8e227e787f51bea0ae3756892ab4f6e5144
White emergency dialer

Change-Id: I3c4e54d1e6a5f008bac1d32314ca53ec33ed2277
Fix appt warnings: no default or required localization

Change-Id: I75587c324bacbea923ae20dec011f84f69028d13
SelectSubscription: set default parameters for ACTION_DATA_ROAMING_SETTINGS

ACTION_DATA_ROAMING_SETTINGS is a public intent. The caller
shouldn't need to send extra parameters to call the intent.

Change-Id: I72ea28d8760caf1965c8df0835f438a22331450e