Added a new test applications to monitor network configuration change events and log them.

Change-Id: I882fc1b18cedc67fc83c405c2f8d06078fa15c23
diff --git a/modules.defs b/modules.defs
index a258519..22b7adf 100644
--- a/modules.defs
+++ b/modules.defs
@@ -139,6 +139,7 @@
     '//apps/test/flow-perf:onos-apps-test-flow-perf-oar',
     '//apps/test/intent-perf:onos-apps-test-intent-perf-oar',
     '//apps/test/loadtest:onos-apps-test-loadtest-oar',
+    '//apps/test/netcfg-monitor:onos-apps-test-netcfg-monitor-oar',
     '//apps/test/messaging-perf:onos-apps-test-messaging-perf-oar',
     '//apps/virtualbng:onos-apps-virtualbng-oar',
     '//apps/vpls:onos-apps-vpls-oar',