Add copyright.

Change-Id: Iaaf95bd10c7ad8034a478f738a8a22edb1d39567
diff --git a/src/test/java/com/android/tools/r8/regress/b142682636/Regress142682636Runner.java b/src/test/java/com/android/tools/r8/regress/b142682636/Regress142682636Runner.java
index c1a3d6c..42a64b5 100644
--- a/src/test/java/com/android/tools/r8/regress/b142682636/Regress142682636Runner.java
+++ b/src/test/java/com/android/tools/r8/regress/b142682636/Regress142682636Runner.java
@@ -1,3 +1,6 @@
+// Copyright (c) 2019, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
 package com.android.tools.r8.regress.b142682636;
 
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;