create MVNO config file and verion up

Update Version from 7 to 8, because of using new field for MVNO.
MVNO config includes same attributes of apns-full-conf.xml
and new attributes(mvno_match_data and mvno_type) to recognize MVNO.

Bug: 8143480

Change-Id: Ic3328ab6be992ec2cafdeed17c2da2aff8aae556
3 files changed