sepolicy: allow userinit to set its property

Change-Id: I9d8270d889566d169077a1b1fdaee43059d11ee1
diff --git a/sepolicy/property_contexts b/sepolicy/property_contexts
index b3a3540..d6beeb2 100644
--- a/sepolicy/property_contexts
+++ b/sepolicy/property_contexts
@@ -1,3 +1,4 @@
 service.adb.tcp.port          u:object_r:adbtcp_prop:s0
 recovery.perf.mode            u:object_r:recovery_prop:s0
 adb.secure                    u:object_r:recovery_prop:s0
+cm.userinit.active            u:object_r:userinit_prop:s0