Kill constants.h and fix some copyright headers.

Change-Id: I51c04d731d6de035328781d8ac134ad6fcf49897
diff --git a/src/runtime_support.cc b/src/runtime_support.cc
index 9072d58..0ee9990 100644
--- a/src/runtime_support.cc
+++ b/src/runtime_support.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 Google Inc. All Rights Reserved.
+ * Copyright (C) 2012 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.