Updated service to use new XOS core version: 2.1.22

Change-Id: I2299197df21244291a6e9c28f58c5205879fb7b9
diff --git a/VERSION b/VERSION
index 7d2ed7c..cd57a8b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.4
+2.1.5