Replace the string "icecreamsandwich" with "kitkat" in Port classes.

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

 # Copyright (C) 2012 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 274 matching lines @@
 
 
 class AndroidPort(base.Port):
     port_name = 'android'
 
     # Avoid initializing the adb path [worker count]+1 times by storing it as a static member.
     _adb_path = None
 
     SUPPORTED_VERSIONS = ('android')
 
-    FALLBACK_PATHS = {'icecreamsandwich': ['android'] + linux.LinuxPort.latest_platform_fallback_path()}
+    FALLBACK_PATHS = {'kitkat': ['android'] + linux.LinuxPort.latest_platform_fallback_path()}
 
     BUILD_REQUIREMENTS_URL = 'https://www.chromium.org/developers/how-tos/android-build-instructions'
 
     def __init__(self, host, port_name, **kwargs):
         _import_android_packages_if_necessary()
         super(AndroidPort, self).__init__(host, port_name, **kwargs)
 
         self._operating_system = 'android'
-        self._version = 'icecreamsandwich'
+        self._version = 'kitkat'
 
         self._host_port = factory.PortFactory(host).get(**kwargs)
         self.server_process_constructor = self._android_server_process_constructor
 
         if not self.get_option('disable_breakpad'):
             self._dump_reader = DumpReaderAndroid(host, self._build_path())
 
         if self.driver_name() != self.CONTENT_SHELL_NAME:
             raise AssertionError('Layout tests on Android only support content_shell as the driver.')
 
@@ skipping 810 matching lines @@
         return command
 
     def _read_prompt(self, deadline):
         last_char = ''
         while True:
             current_char = self._server_process.read_stdout(deadline, 1)
             if current_char == ' ':
                 if last_char in ('#', '$'):
                     return
             last_char = current_char