zero: Label macloader domain
zero: Label macloader domain

* Although SELinux didnt yell about this, might as well label it correctly

Change-Id: I7b18fac151aab88b6387e3241f7a91d1080864bb
Signed-off-by: Brandon McAnsh <b221b0128acc8543b2071d143ea6dbc7b1554a73@gmail.com>

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