jflte: restore pre-unification vzw home operator prop

jfltevzw's default.prop set ro.cdma.home.operator.numeric to 311480
jflte's unified init sets the prop to 310004 for phones formerly known as jfltevzw.

Change-Id: I3c3a5e6c6783cc31c931b4699b9d2456a69b1e8e
jflte: remove network_mode.xml overlay

Change-Id: Id528397699df45a1efcd983d4f196e3638225e5a

Conflicts:
	overlay/packages/services/Telephony/res/values/network_mode.xml
props for jflteusc

Change-Id: Iaa7a8341d50909761ee0aa947cd84e6dea407310
jflte_init: add cricket and sprint operators

Change-Id: I3d46234904d8f8461de0bbb0354da2b5b31d7cfc

Conflicts:
	init/init_jflte.c