[ONOS-7752] Add skeleton code for openstack troubleshoot app

Change-Id: Idc4f00481a06ab2fac4291545a6ed0f2e4d2ccd6
diff --git a/apps/pom.xml b/apps/pom.xml
index 488c7c9..fa0458f 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -69,6 +69,10 @@
         <module>vpls</module>
         <module>openstacknode</module>
         <module>openstacknetworking</module>
+        <module>openstacknetworkingui</module>
+        <module>openstacktelemetry</module>
+        <module>openstacktroubleshoot</module>
+        <module>openstackvtap</module>
         <module>influxdbmetrics</module>
         <module>gangliametrics</module>
         <module>graphitemetrics</module>
@@ -96,9 +100,6 @@
         <module>route-service</module>
         <module>evpn-route-service</module>
         <module>l3vpn</module>
-        <module>openstacknetworkingui</module>
-        <module>openstacktelemetry</module>
-        <module>openstackvtap</module>
         <module>cfm</module>
         <module>routeradvertisement</module>
         <module>simplefabric</module>