sepolicy: Allow location read xtra-daemon control property

Change-Id: If869f21c4397c65672c9319990d8dc4baca2aa3a
diff --git a/legacy/vendor/common/location.te b/legacy/vendor/common/location.te
index c842d77..70f6156 100644
--- a/legacy/vendor/common/location.te
+++ b/legacy/vendor/common/location.te
@@ -138,3 +138,6 @@
 allow location sysfs_soc:dir r_dir_perms;
 
 get_prop(location, wifi_hal_prop)
+
+# xtra-daemon control
+get_prop(location, xtra_control_prop)