Add a snapshot of flutter/engine/src/build to our sdk

build/android/pylib/base/test_run_factory.py

Index: build/android/pylib/base/test_run_factory.py
diff --git a/build/android/pylib/base/test_run_factory.py b/build/android/pylib/base/test_run_factory.py
new file mode 100644
index 0000000000000000000000000000000000000000..8c71ebbd0a0dee03649cd8edc02dc61b960201aa
--- /dev/null
+++ b/build/android/pylib/base/test_run_factory.py
@@ -0,0 +1,41 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from pylib.gtest import gtest_test_instance
+from pylib.gtest import local_device_gtest_run
+from pylib.instrumentation import instrumentation_test_instance
+from pylib.local.device import local_device_environment
+from pylib.local.device import local_device_instrumentation_test_run
+from pylib.remote.device import remote_device_environment
+from pylib.remote.device import remote_device_gtest_run
+from pylib.remote.device import remote_device_instrumentation_test_run
+from pylib.remote.device import remote_device_uirobot_test_run
+from pylib.uirobot import uirobot_test_instance
+
+
+def CreateTestRun(_args, env, test_instance, error_func):
+  if isinstance(env, local_device_environment.LocalDeviceEnvironment):
+    if isinstance(test_instance, gtest_test_instance.GtestTestInstance):
+      return local_device_gtest_run.LocalDeviceGtestRun(env, test_instance)
+    if isinstance(test_instance,
+                  instrumentation_test_instance.InstrumentationTestInstance):
+      return (local_device_instrumentation_test_run
+              .LocalDeviceInstrumentationTestRun(env, test_instance))
+
+  if isinstance(env, remote_device_environment.RemoteDeviceEnvironment):
+    if isinstance(test_instance, gtest_test_instance.GtestTestInstance):
+      return remote_device_gtest_run.RemoteDeviceGtestTestRun(
+          env, test_instance)
+    if isinstance(test_instance,
+                  instrumentation_test_instance.InstrumentationTestInstance):
+      return (remote_device_instrumentation_test_run
+              .RemoteDeviceInstrumentationTestRun(env, test_instance))
+    if isinstance(test_instance, uirobot_test_instance.UirobotTestInstance):
+      return remote_device_uirobot_test_run.RemoteDeviceUirobotTestRun(
+          env, test_instance)
+
+
+  error_func('Unable to create test run for %s tests in %s environment'
+             % (str(test_instance), str(env)))
+