Added a new application for packet statistics with passed checkstyle tests.

Change-Id: I29ca84dfe88953defa438aec56d66b2bf9b177a9
diff --git a/modules.defs b/modules.defs
index 30fbc3e..8205c93 100644
--- a/modules.defs
+++ b/modules.defs
@@ -146,6 +146,7 @@
     '//apps/dhcp:onos-apps-dhcp-oar',
     '//apps/dhcprelay:onos-apps-dhcprelay-oar',
     '//apps/fwd:onos-apps-fwd-oar',
+    '//apps/packet-stats:onos-apps-packet-stats-oar',
     '//apps/acl:onos-apps-acl-oar',
     '//apps/bgprouter:onos-apps-bgprouter-oar',
     '//apps/cip:onos-apps-cip-oar',