zero: ril: really disable modem-debugging
zero: ril: really disable modem-debugging

Change-Id: I5aefde83e0aed1579391fb9806def3646255b9b3

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