[Android] Redirect std{in,out,err} to sockets for layout tests.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 154 matching lines @@
         self.host = host
         self._executive = host.executive
         self._filesystem = host.filesystem
         self._webkit_finder = WebKitFinder(host.filesystem)
 
         self._http_server = None
         self._websocket_server = None
         self._is_wptserve_enabled = getattr(options, 'enable_wptserve', False)
         self._wpt_server = None
         self._image_differ = None
-        self._server_process_constructor = server_process.ServerProcess  # overridable for testing
+        self.server_process_constructor = server_process.ServerProcess  # overridable for testing
         self._http_lock = None  # FIXME: Why does this live on the port object?
         self._dump_reader = None
 
         # Python's Popen has a bug that causes any pipes opened to a
         # process that can't be executed to be leaked.  Since this
         # code is specifically designed to tolerate exec failures
         # to gracefully handle cases where wdiff is not installed,
         # the bug results in a massive file descriptor leak. As a
         # workaround, if an exec failure is ever experienced for
         # wdiff, assume it's not available.  This will leak one
@@ skipping 1608 matching lines @@
 
     def __init__(self, base, args, reference_args=None):
         self.name = base
         self.base = base
         self.args = args
         self.reference_args = args if reference_args is None else reference_args
         self.tests = set()
 
     def __repr__(self):
         return "PhysicalTestSuite('%s', '%s', %s, %s)" % (self.name, self.base, self.args, self.reference_args)