Allow apps to read auxiliary camera properties

Change-Id: Ib9a4e31ff331678c230b105a39c5d3eafa9ef2f2
diff --git a/common/private/appdomain.te b/common/private/appdomain.te
new file mode 100644
index 0000000..72760a6
--- /dev/null
+++ b/common/private/appdomain.te
@@ -0,0 +1 @@
+get_prop(appdomain, vendor_persist_camera_prop)