VTN app changes for karaf 4.2.1 CLI

Change-Id: I63c8b1c62b497dac8d5252ec85d1e4a5017797e6
diff --git a/apps/vtn/vtnmgr/BUILD b/apps/vtn/vtnmgr/BUILD
index 0ae2ab8..d399cdc 100644
--- a/apps/vtn/vtnmgr/BUILD
+++ b/apps/vtn/vtnmgr/BUILD
@@ -4,6 +4,7 @@
 ]
 
 osgi_jar_with_tests(
+    karaf_command_packages = ["org.onosproject.vtn.cli"],
     resources = glob(["src/main/resources/**"]),
     resources_root = "src/main/resources",
     deps = COMPILE_DEPS,