win: Also look in PROGRAMW6432 for cdb

snapshot/win/end_to_end_test.py

 #!/usr/bin/env python
 
 # Copyright 2015 The Crashpad Authors. All rights reserved.
 #
 # 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
 #
@@ skipping 23 matching lines @@
 
 def CleanUpTempDirs():
   global g_temp_dirs
   for d in g_temp_dirs:
     subprocess.call(['rmdir', '/s', '/q', d], shell=True)
 
 
 def FindInstalledWindowsApplication(app_path):
   search_paths = [os.getenv('PROGRAMFILES(X86)'),
                   os.getenv('PROGRAMFILES'),
+                  os.getenv('PROGRAMW6432'),
                   os.getenv('LOCALAPPDATA')]
   search_paths += os.getenv('PATH', '').split(os.pathsep)
 
   for search_path in search_paths:
     if not search_path:
       continue
     path = os.path.join(search_path, app_path)
     if os.path.isfile(path):
       return path
 
@@ skipping 190 matching lines @@
 
     RunTests(cdb_path, crashy_dump_path, destroyed_dump_path, pipe_name)
 
     return 0
   finally:
     CleanUpTempDirs()
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))