[recipe_engine] Set presentation.status before OutputPlaceholder.result.

recipe_engine/types.py

 # Copyright 2015 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import collections
 import copy
 import json
 import operator
 
 
@@ skipping 156 matching lines @@
                '"%s". Please examine that step for errors.' % (attr, step))
     super(StepDataAttributeError, self).__init__(message)
 
 
 class StepData(object):
   def __init__(self, step_config, retcode):
     self._step_config = step_config
     self._retcode = retcode
 
     self._presentation = StepPresentation()
+    if retcode in step_config.ok_ret:
+      self._presentation.status = 'SUCCESS'
+    else:
+      if not step_config.infra_step:
+        self._presentation.status = 'FAILURE'
+      else:
+        self._presentation.status = 'EXCEPTION'
+
     self.abort_reason = None
 
   @property
   def step(self):
     return dict((k, v) for k, v in self._step_config._asdict().iteritems() if v)
 
   @property
   def retcode(self):
     return self._retcode
 
   @property
   def presentation(self):
     return self._presentation
 
   def __getattr__(self, name):
     raise StepDataAttributeError(self._step_config.name, name)