[ONOS-7731] Update api interface & implementation of openstack vtap app

Change-Id: I7c3c7888b00a7357b13e3b1756e9cd0a1bb6a5c0
diff --git a/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/cli/VtapTypeCompleter.java b/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/cli/VtapTypeCompleter.java
index 2784833..c77c913 100644
--- a/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/cli/VtapTypeCompleter.java
+++ b/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/cli/VtapTypeCompleter.java
@@ -21,16 +21,17 @@
 import java.util.List;
 
 /**
- * vTap type completer.
+ * Vtap type completer.
  */
 public class VtapTypeCompleter extends AbstractChoicesCompleter {
 
     @Override
     protected List<String> choices() {
         List<String> strings = Lists.newArrayList();
-        strings.add("tx");
-        strings.add("rx");
         strings.add("all");
+        strings.add("rx");
+        strings.add("tx");
+        strings.add("any");
         return strings;
     }
 }