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

Change-Id: I7c3c7888b00a7357b13e3b1756e9cd0a1bb6a5c0
diff --git a/apps/openstackvtap/app/app.xml b/apps/openstackvtap/app/app.xml
index 45024d9..b077858 100644
--- a/apps/openstackvtap/app/app.xml
+++ b/apps/openstackvtap/app/app.xml
@@ -15,7 +15,7 @@
   ~ limitations under the License.
   -->
 <app name="org.onosproject.openstackvtap" origin="Open Networking Foundation"
-     version="${project.version}" category="Utility" title="OpenStack vTap App"
+     version="${project.version}" category="Utility" title="Openstack Vtap App"
      features="${project.artifactId}" apps="org.onosproject.openstacknetworking"
      featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features">
     <description>${project.description}</description>