Update Straight Talk ATT MMS proxy

Using proxy.mvno.tracfone.com should also future proof it if they change the
IP again. proxy.mvno.tracfone.com resolves to (66.209.11.32)

Change-Id: I8cb5b3ce473bef1369ec4ee313759258fc1172d3

Conflicts:

	prebuilt/common/etc/apns-conf.xml
remove CDMATools prebuilt

Change-Id: I96edf3f386709b85d0bf5a741ced10d12d62fbe3
Signed-off-by: sethyx <sethyx@gmail.com>
Merge "Update Straight Talk ATT MMS proxy" into jb-mr1
Merge branch 'jb-mr1' of https://github.com/AOKP/vendor_aokp into jb-mr1
Merge branch 'jb-mr1' of github.com:erikcas/vendor_aokp into jb-mr1