Add support for the Verizon S3 Straight Talk SCH-S968C

Conflicts:
	releasetools/releasetools.py

Change-Id: I864f4f8a95d60fdee26856afce2d33b94e11d4a6
init_d2lte: remove dependency on android_device_qcom_common

* we really don't need it, we can just define vendor_load_properties

Conflicts:
	cm.dependencies

Change-Id: Ie3d2ba35232ebf407039320a874a1ae322b73f3d