Add persist.mac_enforcing_mode context
diff --git a/property_contexts b/property_contexts
index dc87c9b..a08ae80 100644
--- a/property_contexts
+++ b/property_contexts
@@ -45,3 +45,6 @@
 ctl.dumpstate           u:object_r:ctl_dumpstate_prop:s0
 ctl.ril-daemon          u:object_r:ctl_rildaemon_prop:s0
 ctl.                    u:object_r:ctl_default_prop:s0
+
+# mac middleware property
+persist.mac_enforcing_mode    u:object_r:system_prop:s0