[ONOS-5724],[ONOS-5725],[ONOS-5736] onos buck plugin modifications for support of private package property.

Change-Id: Ic3a2f13c14816e803debc208826445ef27b49a4f
diff --git a/lib/deps.json b/lib/deps.json
index 5d50e76..f809e3f 100644
--- a/lib/deps.json
+++ b/lib/deps.json
@@ -213,6 +213,7 @@
     "openflowj-3.0": {
       "uri": "mvn:org.projectfloodlight:openflowj:3.0.0-SNAPSHOT",
       "repo": "https://oss.sonatype.org/content/repositories/snapshots"
-    }
+    },
+    "plexus-utils": "mvn:org.codehaus.plexus:plexus-utils:3.0.24"
   }
 }