[CORD-1685] Adding copyright informations

Change-Id: I2521c1d7d287710d1ec07c5b8cd6b4112400baca
diff --git a/xos/synchronizer/templates/vlan_sample.j2 b/xos/synchronizer/templates/vlan_sample.j2
index 51d7902..583c810 100644
--- a/xos/synchronizer/templates/vlan_sample.j2
+++ b/xos/synchronizer/templates/vlan_sample.j2
@@ -1,3 +1,21 @@
+
+{#
+Copyright 2017-present Open Networking Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+#}
+
+
 # below is a list of all vlan_ids associated with this veg
 
 {% for vlan_id in c_tags %}