Another round of header updates

Summary: I hope that this takes care of all the android violations.

Reviewed By: danielbuechele

Differential Revision: D15199150

fbshipit-source-id: 0f5b4edc1bc9d38de0885f88bb2c3e43acfa09cd

android/gradle.properties

@@ -1,17 +1,8 @@
 #
-# Copyright 2014-present Facebook, Inc.
+# Copyright (c) Facebook, Inc. and 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.
+# This source code is licensed under the MIT license found in the LICENSE
+# file in the root directory of this source tree.
 #
 
 POM_NAME=Flipper