universal7870: selinux: init: debug boot

extends:
https://code.binbash.rocks:8443/MVA-VoLTE/android_device_samsung_exynos7870-common/commit/2578168866a47d1cd50703ee071c0f63784838ec



by creating a new domain and all related selinux policies
to allow enforcing boot

Signed-off-by: steadfasterX <steadfasterX@gmail.com>