Support for Virgin Mobile MMS
Based off of rmcc's bringup commit for jellybean:
https://github.com/CyanogenMod/android_frameworks_base/commit/657a58f681f389010f214dd3ee23102cf17e325b

Change-Id: Ife2d39da9a5adfc19bb6389cb36b5c12eb5a903a
Signed-off-by: Gannon Macdonald <gannon050197@gmail.com>