[moblab] Turn on job retries when creating the suite.

Job retries defaults to false so the settings in the control files
were being ignored, switch on retries.

BUG=chromium:766235
TEST=local moblab tests

Change-Id: I81fccb328c7dcc68cdfc06326e9527044ade5ac2
Reviewed-on: https://chromium-review.googlesource.com/671629
Commit-Ready: Keith Haddow <[email protected]>
Tested-by: Keith Haddow <[email protected]>
Reviewed-by: Keith Haddow <[email protected]>
Reviewed-by: Michael Tang <[email protected]>
diff --git a/frontend/afe/moblab_rpc_interface.py b/frontend/afe/moblab_rpc_interface.py
index 0d64adb..82bfa6e 100644
--- a/frontend/afe/moblab_rpc_interface.py
+++ b/frontend/afe/moblab_rpc_interface.py
@@ -54,6 +54,7 @@
 
 # Full path to the correct gsutil command to run.
 class GsUtil:
+    """Helper class to find correct gsutil command."""
     _GSUTIL_CMD = None
 
     @classmethod
@@ -66,6 +67,7 @@
 
 
 class BucketPerformanceTestException(Exception):
+  """Exception thrown when the command to test the bucket performance fails."""
   pass
 
 @rpc_utils.moblab_only
@@ -815,7 +817,7 @@
     afe.run('create_suite_job', board=board, builds=builds, name=suite,
             pool=pool, run_prod_code=False, test_source_build=build,
             wait_for_results=False, suite_args=processed_suite_args,
-            test_args=test_args)
+            test_args=test_args, job_retry=True)
 
 
 def _enable_notification_using_credentials_in_bucket():