Fix copyright headers.
Change-Id: I5b7bc76a370238d810d78522bd5531600746700f
diff --git a/src/trace.h b/src/trace.h
index 85d328c..c84e99e 100644
--- a/src/trace.h
+++ b/src/trace.h
@@ -1,4 +1,18 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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 ART_SRC_TRACE_H_
#define ART_SRC_TRACE_H_