Add a copyright header

Change-Id: Ib543249b8de2b26b64de82c35f74422d10a5ee66
Signed-off-by: Robert Varga <nite@hq.sk>
diff --git a/vpp-japi/japi/test/vppApi.java b/vpp-japi/japi/test/vppApi.java
index a317007..96ba4a2 100644
--- a/vpp-japi/japi/test/vppApi.java
+++ b/vpp-japi/japi/test/vppApi.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * 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.
+ */
+
 import java.net.InetAddress;
 import org.openvpp.vppjapi.*;