citadeld: updated sepolicy

This allows the citadeld access AIDL Stats service via servicemanager

Bug: 182511034
Test: Build, flash, boot & and logcat | grep "citadeld"
Change-Id: Icfd1ef9cdc7c6d19e86cf74acc42536dd5535de6
diff --git a/citadel/citadeld.te b/citadel/citadeld.te
index 266dee2..9490258 100644
--- a/citadel/citadeld.te
+++ b/citadel/citadeld.te
@@ -16,3 +16,5 @@
 get_prop(citadeld, hwservicemanager_prop)
 allow citadeld fwk_stats_hwservice:hwservice_manager find;
 binder_call(citadeld, stats_service_server)
+allow citadeld fwk_stats_service:service_manager find;
+binder_use(citadeld)