Replace "Google Inc" with "The Bazel Authors" in every copyright notice.

--
MOS_MIGRATED_REVID=105949508
diff --git a/src/test/java/com/google/devtools/build/lib/analysis/MakeVariableExpanderTest.java b/src/test/java/com/google/devtools/build/lib/analysis/MakeVariableExpanderTest.java
index dbdc1c1..6f7d164 100644
--- a/src/test/java/com/google/devtools/build/lib/analysis/MakeVariableExpanderTest.java
+++ b/src/test/java/com/google/devtools/build/lib/analysis/MakeVariableExpanderTest.java
@@ -1,4 +1,4 @@
-// Copyright 2006-2015 Google Inc. All rights reserved.
+// Copyright 2006 The Bazel 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.