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

build/android/pylib/junit/setup.py

Index: build/android/pylib/junit/setup.py
diff --git a/build/android/pylib/junit/setup.py b/build/android/pylib/junit/setup.py
new file mode 100644
index 0000000000000000000000000000000000000000..94d4277d8e6db7c04adda7a9c7828eb75e41c20f
--- /dev/null
+++ b/build/android/pylib/junit/setup.py
@@ -0,0 +1,20 @@
+# 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.junit import test_runner
+
+def Setup(args):
+  """Creates a test runner factory for junit tests.
+
+  Args:
+    args: an argparse.Namespace object.
+  Return:
+    A (runner_factory, tests) tuple.
+  """
+
+  def TestRunnerFactory(_unused_device, _unused_shard_index):
+    return test_runner.JavaTestRunner(args)
+
+  return (TestRunnerFactory, ['JUnit tests'])
+