[Android] Add a custom pylintrc for build/android/.

build/android/pylib/gtest/test_package.py

Index: build/android/pylib/gtest/test_package.py
diff --git a/build/android/pylib/gtest/test_package.py b/build/android/pylib/gtest/test_package.py
index 4042a98a1320ef0e58b12cbfba279f8559b70afc..7d82c2596ba52f3c9447fa06d08a61270a18735e 100644
--- a/build/android/pylib/gtest/test_package.py
+++ b/build/android/pylib/gtest/test_package.py
@@ -15,6 +15,7 @@ class TestPackage(object):
   """
   def __init__(self, suite_name):
     self.suite_name = suite_name
+    self.tool = None
 
   def ClearApplicationState(self, device):
     """Clears the application state.
@@ -42,6 +43,7 @@ class TestPackage(object):
     """
     raise NotImplementedError('Method must be overridden.')
 
+  # pylint: disable=unused-argument
   def GetGTestReturnCode(self, _device):
     return None