Added APNs for Panamanian Carriers (Movistar PA, Claro PA and Digicel
PA)

Change-Id: I0290cd1d3d61421ab7f02ac4b1372a7ff53b1948
Update all APN of El Salvador

Change-Id: I21bbcdf348ecc59b5809310ab2be7b7a05ca3668
APN: Add Vodacom LTE APN values

Change-Id: I574afe95ffe6b97fe90291eb5a2bc1e4f804919b