Kill constants.h and fix some copyright headers.

Change-Id: I51c04d731d6de035328781d8ac134ad6fcf49897
diff --git a/src/oat/runtime/x86/runtime_support_x86.S b/src/oat/runtime/x86/runtime_support_x86.S
index 8f7177c..3333469 100644
--- a/src/oat/runtime/x86/runtime_support_x86.S
+++ b/src/oat/runtime/x86/runtime_support_x86.S
@@ -1,3 +1,19 @@
+/*
+ * 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.
+ * 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.
+ */
+
 #include "asm_support.h"
 
 #if defined(__APPLE__)