Revert of [Android] Add a configurable environment for devil/.

build/android/devil/android/sdk/shared_prefs_test.py

Index: build/android/devil/android/sdk/shared_prefs_test.py
diff --git a/build/android/devil/android/sdk/shared_prefs_test.py b/build/android/devil/android/sdk/shared_prefs_test.py
index 7623f6c35d4bc3156f0467c3b4c657e23cd08bb6..63d9aeceea6bb149f5c290910953d658fa852bc2 100755
--- a/build/android/devil/android/sdk/shared_prefs_test.py
+++ b/build/android/devil/android/sdk/shared_prefs_test.py
@@ -8,14 +8,16 @@
 """
 
 import logging
+import os
 import sys
 import unittest
 
-from devil import devil_env
 from devil.android import device_utils
 from devil.android.sdk import shared_prefs
+from pylib import constants
 
-sys.path.append(devil_env.config.pymock_path)
+sys.path.append(os.path.join(
+    constants.DIR_SOURCE_ROOT, 'third_party', 'pymock'))
 import mock # pylint: disable=import-error