[Android] Add a configurable environment for devil/.

build/android/devil/env/env_config.py

Index: build/android/devil/env/env_config.py
diff --git a/build/android/pylib/device/decorators.py b/build/android/devil/env/env_config.py
similarity index 53%
copy from build/android/pylib/device/decorators.py
copy to build/android/devil/env/env_config.py
index f8c2fddde4855b16975f5bfc6d8f9f6b3885c002..dab5c1d1106343cfdedddd724f1df0544c4519ee 100644
--- a/build/android/pylib/device/decorators.py
+++ b/build/android/devil/env/env_config.py
@@ -2,7 +2,12 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-# pylint: disable=unused-wildcard-import
-# pylint: disable=wildcard-import
 
-from devil.android.decorators import *
+class EnvConfig(object):
+
+  def __init__(self, **kwargs):
+    self._configured = kwargs
+
+  @classmethod
+  def default(cls):
+    return cls()