Add missing license headers.

Change-Id: I093be383c0c5b111592acad4cc9301711c75ab88
Reviewed-on: https://swiftshader-review.googlesource.com/5362
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
diff --git a/src/Main/FrameBufferAndroid.hpp b/src/Main/FrameBufferAndroid.hpp
index 2e567d8..4995ecb 100644
--- a/src/Main/FrameBufferAndroid.hpp
+++ b/src/Main/FrameBufferAndroid.hpp
@@ -1,3 +1,17 @@
+// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
+//
+// 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.
+
 #ifndef sw_FrameBufferAndroid_hpp
 #define sw_FrameBufferAndroid_hpp