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

Change-Id: I7c3c7888b00a7357b13e3b1756e9cd0a1bb6a5c0
diff --git a/apps/openstackvtap/app/BUCK b/apps/openstackvtap/app/BUCK
index dc3f55c..3656f6c 100644
--- a/apps/openstackvtap/app/BUCK
+++ b/apps/openstackvtap/app/BUCK
@@ -25,8 +25,8 @@
     deps = COMPILE_DEPS,
     test_deps = TEST_DEPS,
     web_context = '/onos/openstackvtap',
-    api_title = 'OpenStack Network vTap REST API',
+    api_title = 'OpenStack Vtap REST API',
     api_version = '1.0',
-    api_description = 'OpenStack Network vTap REST API',
+    api_description = 'OpenStack Vtap REST API',
     api_package = 'org.onosproject.openstackvtap.web',
 )