VOL-2197: Change license on OpenOLT agent to Apache 2.0

Change-Id: I7e6daff59723d6564044e61e93cad1bf03f4661b
diff --git a/agent/test/Makefile.in b/agent/test/Makefile.in
index 3f8eaf9..b8fee22 100644
--- a/agent/test/Makefile.in
+++ b/agent/test/Makefile.in
@@ -1,17 +1,16 @@
-# Copyright (C) 2018 Open Networking Foundation
+# Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+# 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
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# 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.
 
 ########################################################################
 ##