citadeld: Add sepolicy to allow citadeld set property

Bug: 291641995
Change-Id: Ib5ccd619bd9361d2661c5f544be6264141f4b70e
diff --git a/citadel/property_contexts b/citadel/property_contexts
new file mode 100644
index 0000000..835de17
--- /dev/null
+++ b/citadel/property_contexts
@@ -0,0 +1 @@
+vendor.nos.citadel.version     u:object_r:vendor_nos_citadel_version:s0