New apns settings for Everything Everywhere (new UK operator)

Everything Everywhere (EE) replace Orange UK and T-Mobile UK.

Adapted for CM conf from Guillaume Châtelet's commit:
https://android.googlesource.com/device/sample/+/d9bd5e7d4f3d9b3f00250c6930542f0c1b7eb8ee

PS1: initial commit

PS2: rebase

Change-Id: Ie1ff90bdffd1cce8c5697624b4c83a06a6729dc3