add toro.mk

edit and added the files for building rootbox for toro - VZW galaxy nexus. Also added the MyVerizon app for toro

 Changes to be committed:
	modified:   configs/vzw.mk
	modified:   prebuilt/Android.mk
	new file:   prebuilt/vzw/app/MyVerizon.apk
	modified:   products/AndroidProducts.mk
	new file:   products/toro.mk
	modified:   vendorsetup.sh