prebuilt: common: apns-conf-cdma.xml: Fix USCC apn

	- Sets a working USCC apn that doesn't conflict with Sprint mobile country
	  and identification codes. Fixes issues with sending mms on Sprint devices.
	- Patchset 2: Add LTE-test apns from dumped SGSIII stock ROM.

Change-Id: I2868968fe097f0aaa31b8c8b2d944bf186d197c8