WorldPhone Support

Credits CM // Modified for NamelessROM by Jake Whatley

Notes:

- ALL devices that are attached to a mobile carrier (devices with telephony)
  will need to inherit "common_phone.mk"
  - common_phone.mk will inherit APNs/SPNs, Mms, and CellBroadcastReceiver

- Wifi-Only devices (tablets) need to inherit common_tablet.mk
  - common_tablet.mk will NOT inherit ANYTHING that can't be used without mobile
carrier
    - CellBroadcastReceiver
    - APNs/SPNs

ALL DEVICES WITH TELEPHONY MUST INHERIT THE FOLLOWING IN THEIR DEVICE CONFIG:

- full_base_telephony.mk

Wifi-Only devices should NOT inherit full_base_telephony.mk, they should rather

inherit:

full_base.mk

Change-Id: I421b002d160bf5f410b93e3449bf2ff54d0a9297