Revert "[Android] Switch b/a/test_runner.py from optparse to argparse."

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
index 94d4277d8e6db7c04adda7a9c7828eb75e41c20f..6ae000606c69d3774581f8ed7c5664d1f9ac33ac 100644
--- a/build/android/pylib/junit/setup.py
+++ b/build/android/pylib/junit/setup.py
@@ -4,17 +4,15 @@
 
 from pylib.junit import test_runner
 
-def Setup(args):
+def Setup(options):
   """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 test_runner.JavaTestRunner(options)
 
   return (TestRunnerFactory, ['JUnit tests'])