zero: define RIL_OEM_REQUEST_BASE in ril.h
zero: define RIL_OEM_REQUEST_BASE in ril.h

Change-Id: I4d725c1428925d0ba60f4dcd0b9fb1adf841e215

TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common,TeamNexus/android_device_samsung_zero-common