wrapper: drop shebang

This isn't executable (+x), nor does it have a main func or code
that would run if it were.  It's simply an imported module like
most others in here.  Drop the shebang to avoid confusion.

Change-Id: I5e2881eb1de5e809a3fa9e8f49220ed797034fb1

wrapper.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-#
 # Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");