Creates a new test running script test_runner.py

build/android/pylib/instrumentation/dispatch.py

Index: build/android/pylib/instrumentation/dispatch.py
diff --git a/build/android/pylib/instrumentation/dispatch.py b/build/android/pylib/instrumentation/dispatch.py
index dd3723517623b2b1c878cd5ded78d3e0578111a8..2bac9274db688347647a33a159c6c4aea2460a5d 100644
--- a/build/android/pylib/instrumentation/dispatch.py
+++ b/build/android/pylib/instrumentation/dispatch.py
@@ -10,12 +10,13 @@ import os
 from pylib import android_commands
 from pylib.base import base_test_result
 from pylib.base import shard
+from pylib.utils import report_results
 
 import test_package
 import test_runner
 
 
-def Dispatch(options):
+def DispatchCore(options):
   """Dispatches instrumentation tests onto connected device(s).
 
   If possible, this method will attempt to shard the tests to
@@ -42,9 +43,9 @@ def Dispatch(options):
   if not attached_devices:
     raise Exception('There are no devices online.')
 
-  if options.device:
-    assert options.device in attached_devices
-    attached_devices = [options.device]
+  if options.test_device:
+    assert options.test_device in attached_devices
+    attached_devices = [options.test_device]
 
   if len(attached_devices) > 1 and options.wait_for_debugger:
     logging.warning('Debugger can not be sharded, using first available device')
@@ -57,3 +58,15 @@ def Dispatch(options):
   return shard.ShardAndRunTests(TestRunnerFactory, attached_devices, tests,
                                 options.build_type,
                                 num_retries=options.num_retries)
+
+def Dispatch(options):
+  """Wraps DispatchCore to return number of failures, and log appropriately."""
+  results = DispatchCore(options)
+  report_results.LogFull(
+      results=results,
+      test_type='Instrumentation',
+      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())