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

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

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
index 503421ba1140a3f9f293e8168871b88e82144e46..609f39ceb6e32150ab1eef0b67a8a11d16da63d8 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
@@ -96,14 +96,14 @@ class Port(object):
         # architecture type breaks TestConfigurationConverter.
         # If we need this to be 'arm' in the future, then we first have to
         # fix TestConfigurationConverter.
-        ('icecreamsandwich', 'x86'),
+        ('kitkat', 'x86'),
     )
 
     CONFIGURATION_SPECIFIER_MACROS = {
         'mac': ['retina', 'mac10.9', 'mac10.10', 'mac10.11', 'mac10.12'],
         'win': ['win7', 'win10'],
         'linux': ['trusty'],
-        'android': ['icecreamsandwich'],
+        'android': ['kitkat'],
     }
 
     DEFAULT_BUILD_DIRECTORIES = ('out',)