Add --output option to Swarming client and pass it through to the bot

appengine/swarming/server/task_request_test.py

Index: appengine/swarming/server/task_request_test.py
diff --git a/appengine/swarming/server/task_request_test.py b/appengine/swarming/server/task_request_test.py
index 0546c9f1f717c6621e4e2ba4be57d3ad92c38400..1eaffc267fba7b000ae6291a60b0dd79691f29c6 100755
--- a/appengine/swarming/server/task_request_test.py
+++ b/appengine/swarming/server/task_request_test.py
@@ -254,6 +254,7 @@ class TaskRequestApiTest(TestCase):
         'namespace': 'default-gzip',
       },
       'io_timeout_secs': None,
+      'outputs': [],
     }
     expected_request = {
       'authenticated': auth_testing.DEFAULT_MOCKED_IDENTITY,
@@ -263,7 +264,7 @@ class TaskRequestApiTest(TestCase):
       'properties': expected_properties,
       # Intentionally hard code the hash value since it has to be deterministic.
       # Other unit tests should use the calculated value.
-      'properties_hash': '411f20b8cda819b5fe47bcf26f5566c37afce0ed',
+      'properties_hash': 'ca5c7327e43431514472b081b0bbeb62dc1bd8e9',
       'pubsub_topic': None,
       'pubsub_userdata': None,
       'service_account': u'none',
@@ -328,6 +329,7 @@ class TaskRequestApiTest(TestCase):
         'namespace': 'default-gzip',
       },
       'io_timeout_secs': None,
+      'outputs': [],
     }
     expected_request = {
       'authenticated': auth_testing.DEFAULT_MOCKED_IDENTITY,
@@ -337,7 +339,7 @@ class TaskRequestApiTest(TestCase):
       'properties': expected_properties,
       # Intentionally hard code the hash value since it has to be deterministic.
       # Other unit tests should use the calculated value.
-      'properties_hash': '411f20b8cda819b5fe47bcf26f5566c37afce0ed',
+      'properties_hash': 'ca5c7327e43431514472b081b0bbeb62dc1bd8e9',
       'pubsub_topic': None,
       'pubsub_userdata': None,
       'service_account': u'none',
@@ -379,7 +381,7 @@ class TaskRequestApiTest(TestCase):
     # Other unit tests should use the calculated value.
     # Ensure the algorithm is deterministic.
     self.assertEqual(
-        '411f20b8cda819b5fe47bcf26f5566c37afce0ed', as_dict['properties_hash'])
+        'ca5c7327e43431514472b081b0bbeb62dc1bd8e9', as_dict['properties_hash'])
 
   def test_init_new_request_bot_service_account(self):
     request = mkreq(_gen_request(service_account_token='bot'))
@@ -585,6 +587,7 @@ class TaskRequestApiTest(TestCase):
         'namespace': 'default-gzip',
       },
       'io_timeout_secs': None,
+      'outputs': [],
     }
     # Differences from new_request() are:
     # - parent_task_id was reset to None.