[sample] change apn-full-conf.xml from operator's requests.

Updated Profile:
 Romania Vodafone - add initial attach null apn 226-01
 KOR SKTelecom - remove mvno LTE apn 450-11
 HK CSL - remove mvno apns 454-00 454-02 454-18
and fix IP which starts with "0".

Bug: 10939136
Change-Id: If77136f9f24c68e89e628a6275ab605ee0dfeecf