Added missing line for Verizon APN (mcc 311 mnc 480)

Missing line identified here:
http://forum.cyanogenmod.org/topic/99495-still-no-data/
Change-Id: I29ab79067e5d9056a7bc1aa43b1877317cf7cd82
Merge branch 'kitkat' of github.com:espmartin/vendor_aokp into kitkat