autotest: Enable passing in parameters from create job page.

BUG=chromium:782501
TEST=Ran client job & suite job on local autotest. Verify that fast is
injected into control file.
Ran unittest.

Change-Id: I061694392fb3b789a5135ad2af241f2b0886123a
Reviewed-on: https://chromium-review.googlesource.com/764431
Commit-Ready: Xixuan Wu <[email protected]>
Tested-by: Xixuan Wu <[email protected]>
Reviewed-by: Dan Shi <[email protected]>
diff --git a/server/server_job.py b/server/server_job.py
index 754b3a5..a5e3599 100644
--- a/server/server_job.py
+++ b/server/server_job.py
@@ -16,7 +16,6 @@
 import getpass
 import itertools
 import logging
-import multiprocessing
 import os
 import pickle
 import platform
@@ -371,9 +370,12 @@
         self.harness = None
 
         if control:
-            self.max_result_size_KB = control_data.parse_control(
-                    control, raise_warnings=False).max_result_size_KB
+            parsed_control = control_data.parse_control(
+                    control, raise_warnings=False)
+            self.fast = parsed_control.fast
+            self.max_result_size_KB = parsed_control.max_result_size_KB
         else:
+            self.fast = False
             # Set the maximum result size to be the default specified in
             # global config, if the job has no control file associated.
             self.max_result_size_KB = control_data.DEFAULT_MAX_RESULT_SIZE_KB