Fix Vip mobile APN

Types are incorrect, only the MMS APN should have the mms type.

Change-Id: If4ee80ba9cf788c84704a41c067a708b4581fe8c
APN: Update StraightTalk AT&T

Change-Id: If440f08e91581a3b9c63f3f13011ac70c013cea5
Merge branch 'jb2' of https://github.com/LiquidSmooth/android_vendor_liquid into jb2