Revert of [android] Stop using isolate.py for data dependency management.

build/android/pylib/local/device/local_device_test_run_test.py

Index: build/android/pylib/local/device/local_device_test_run_test.py
diff --git a/build/android/pylib/local/device/local_device_test_run_test.py b/build/android/pylib/local/device/local_device_test_run_test.py
index ace70ad1a08da82b1a9bc8f6b036d62d60beef04..83a0972e274fc0ab0300e7a6de65246c76dd6bc3 100755
--- a/build/android/pylib/local/device/local_device_test_run_test.py
+++ b/build/android/pylib/local/device/local_device_test_run_test.py
@@ -15,34 +15,6 @@ with host_paths.SysPath(host_paths.PYMOCK_PATH):
   import mock # pylint: disable=import-error
 
 
-class SubstituteDeviceRootTest(unittest.TestCase):
-
-  def testNoneDevicePath(self):
-    self.assertEquals(
-        '/fake/device/root',
-        local_device_test_run.SubstituteDeviceRoot(
-            None, '/fake/device/root'))
-
-  def testStringDevicePath(self):
-    self.assertEquals(
-        '/another/fake/device/path',
-        local_device_test_run.SubstituteDeviceRoot(
-            '/another/fake/device/path', '/fake/device/root'))
-
-  def testListWithNoneDevicePath(self):
-    self.assertEquals(
-        '/fake/device/root/subpath',
-        local_device_test_run.SubstituteDeviceRoot(
-            [None, 'subpath'], '/fake/device/root'))
-
-  def testListWithoutNoneDevicePath(self):
-    self.assertEquals(
-        '/another/fake/device/path',
-        local_device_test_run.SubstituteDeviceRoot(
-            ['/', 'another', 'fake', 'device', 'path'],
-            '/fake/device/root'))
-
-
 class TestLocalDeviceTestRun(local_device_test_run.LocalDeviceTestRun):
 
   # pylint: disable=abstract-method