Change to use aom copyright notice

This minimize code differences between AOM master and nextgenv2

Change-Id: If144865bdf3ef0818e7aac11018b9e786444c550
diff --git a/tools/lint-hunks.py b/tools/lint-hunks.py
index 6e25d93..d02bee1 100755
--- a/tools/lint-hunks.py
+++ b/tools/lint-hunks.py
@@ -1,11 +1,13 @@
 #!/usr/bin/python
-##  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
 ##
-##  Use of this source code is governed by a BSD-style license
-##  that can be found in the LICENSE file in the root of the source
-##  tree. An additional intellectual property rights grant can be found
-##  in the file PATENTS.  All contributing project authors may
-##  be found in the AUTHORS file in the root of the source tree.
+## Copyright (c) 2016, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 ##
 """Performs style checking on each diff hunk."""
 import getopt