Minor update GSM APNs

From CM

Change-Id: Ie8acee7707e9a96b7ccbfce52b7d08f5a7c13303
VanirTweaks: only really applicable for tuna and m7

Change-Id: I4246eb7f53ab6db22d3269c10fb0c01b70deb232
Merge remote-tracking branch 'upstream/jb43' into jb43