Create org.chromium.KioskAppService.

chromeos/dbus/services/org.chromium.KioskAppService.conf

Index: chromeos/dbus/services/org.chromium.KioskAppService.conf
diff --git a/chromeos/dbus/services/org.chromium.KioskAppService.conf b/chromeos/dbus/services/org.chromium.KioskAppService.conf
new file mode 100644
index 0000000000000000000000000000000000000000..fc976c0766f8ca8ec5560beb7232bb671554df45
--- /dev/null
+++ b/chromeos/dbus/services/org.chromium.KioskAppService.conf
@@ -0,0 +1,22 @@
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
+  "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+<!--
+  Copyright 2017 The Chromium Authors. All rights reserved.
+  Use of this source code is governed by a BSD-style license that can be
+  found in the LICENSE file.
+
+  This file will be installed at /opt/google/chrome/dbus on Chrome OS.
+-->
+<busconfig>
+  <policy user="chronos">
+    <allow own="org.chromium.KioskAppService"/>
+  </policy>
+
+  <!--
+    update_engine uses this service to query required platform version for
+    the auto launched kiosk app.
+  -->
+  <policy user="root">
+    <allow send_destination="org.chromium.KioskAppService"/>
+  </policy>
+</busconfig>