Relicense Hafnium additions under BSD 3 clause license.
This matches the relicensing of the rest of Hafnium.
Change-Id: If35da8761a53314e1d4327675161b4300a887788
diff --git a/BUILD.gn b/BUILD.gn
index 70c2577..667cbd1 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1,16 +1,8 @@
# Copyright 2018 The Hafnium Authors.
#
-# 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
-#
-# https://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.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/BSD-3-Clause.
config("gtest_config") {
visibility = [ ":gtest" ]