Creates a new test running script test_runner.py

build/android/pylib/host_driven/run_python_tests.py

Index: build/android/pylib/host_driven/run_python_tests.py
diff --git a/build/android/pylib/host_driven/run_python_tests.py b/build/android/pylib/host_driven/run_python_tests.py
index 6a9bccc6db39520d8a9b515bae4c7fa21c517ac6..90ad2137c0921aae305780b8cb118a6f220c326d 100644
--- a/build/android/pylib/host_driven/run_python_tests.py
+++ b/build/android/pylib/host_driven/run_python_tests.py
@@ -10,13 +10,12 @@ import sys
 import types
 
 from pylib import android_commands
-from pylib import constants
 from pylib.base import base_test_result
 from pylib.instrumentation import test_package
 from pylib.instrumentation import test_runner
+from pylib.utils import report_results
 
 import python_test_base
-from python_test_caller import CallPythonTest
 from python_test_sharder import PythonTestSharder
 from test_info_collection import TestInfoCollection
 
@@ -56,13 +55,16 @@ def DispatchPythonTests(options):
 
   Returns:
     A list of test results.
+
+  Raises:
+    Exception: If there are no attached devices.
   """
 
   attached_devices = android_commands.GetAttachedDevices()
   if not attached_devices:
     raise Exception('You have no devices attached or visible!')
-  if options.device:
-    attached_devices = [options.device]
+  if options.test_device:
+    attached_devices = [options.test_device]
 
   test_collection = TestInfoCollection()
   all_tests = _GetAllTests(options.python_test_root, options.official_build)
@@ -106,6 +108,20 @@ def DispatchPythonTests(options):
   return test_results
 
 
+def Dispatch(options):
+  """Wraps DispatchPythonTests to log and return the number of failed tests."""
+
+  results = DispatchPythonTests(options)
+  report_results.LogFull(
+      results=results,
+      test_type='HostDriven',
+      test_package=os.path.basename(options.test_apk),
+      annotation=options.annotations,
+      build_type=options.build_type,
+      flakiness_server=options.flakiness_dashboard_server)
+  return len(results.GetNotPass())
+
+
 def _GetTestModules(python_test_root, is_official_build):
   """Retrieve a sorted list of pythonDrivenTests.