r8q: Use blobbed Gatekeeper HAL

* Samsung added a function called isMdfppGatekeeper() for registering HAL as default or mdfpp. AOSP gatekeeper doesn't support that kind of approach and we need to register gatekeeper-qti as default. Use blobbed gatekeeper until a proper gatekeeper mdfpp bringup.

* This affects all Samsung SM8250 platform.

Signed-off-by: ata-kaner <ata_kaner@outlook.com>

r8q/proprietary/vendor/etc/init/android.hardware.gatekeeper@1.0-service-mdfpp.rc

@@ -0,0 +1,8 @@
+service vendor.gatekeeper-1-0 /vendor/bin/hw/android.hardware.gatekeeper@1.0-service
+    interface android.hardware.gatekeeper@1.0::IGatekeeper mdfpp
+    class hal
+    user system
+    group system 5678
+
+on post-fs-data
+    mkdir /data/vendor/gatekeeper 0770 system system