[Findit] Adding support for disabling test try jobs for given master/builder

appengine/findit/waterfall/try_job_util.py

Index: appengine/findit/waterfall/try_job_util.py
diff --git a/appengine/findit/waterfall/try_job_util.py b/appengine/findit/waterfall/try_job_util.py
index 7b743498f206f95e4fecd46e67cf3952b0e70b9a..da771f551d1e1611066d2fbc6b38537b2cda8618 100644
--- a/appengine/findit/waterfall/try_job_util.py
+++ b/appengine/findit/waterfall/try_job_util.py
@@ -152,7 +152,8 @@ def ScheduleTryJobIfNeeded(failure_info, signals, heuristic_result):
 
   tryserver_mastername, tryserver_buildername = (
       waterfall_config.GetTrybotForWaterfallBuilder(master_name, builder_name))
-  if not tryserver_mastername or not tryserver_buildername:
+  if ((not tryserver_mastername or not tryserver_buildername) or
+      not waterfall_config.EnableTestTryJobs(master_name, builder_name)):

[stgao, 2016/04/16 01:04:04]

What if the try-job to run is for compile? also disabled too?

[lijeffrey, 2016/04/16 02:57:27]

Done.

     logging.info('%s, %s is not supported yet.', master_name, builder_name)
     return {}
 
@@ -167,7 +168,7 @@ def ScheduleTryJobIfNeeded(failure_info, signals, heuristic_result):
                        if try_job_type == TryJobType.COMPILE else None)
     suspected_revisions = (
         _GetSuspectsForCompileFailureFromHeuristicResult(heuristic_result)
-            if try_job_type == TryJobType.COMPILE else None)
+        if try_job_type == TryJobType.COMPILE else None)
 
     pipeline = (
         swarming_tasks_to_try_job_pipeline.SwarmingTasksToTryJobPipeline(