[sample] change apns-full-conf.xml from operator's request.

Updated Operator
 Yoigo - Changed carriername
 Digicel - Changed apn, authinfo
 Euskaltel - newly added
 VDF, AIRTEL, TATA Docomo, etc - Changed APN's order
 Mobifone - Changed APN's order
 Vietnamobile - Changed APN's order
 SMART, SUN - Changed APN's order & add authtype
 WIND BIZ WEB - Removed legacy apn
 Yu(KENYA) - Changed apn, mms information
 Singtel, Starhub (Singapore) - Changed Auth information
 MEA OPEN - Add APN profile or update some fields

Change-Id: If2eb448bf3368c7524b2bfda3091ae57ae256a97