Make libyuv expectations more realistic.

scripts/slave/recipes/libyuv/libyuv.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Recipe for building and running tests for Libyuv stand-alone.
 """
 
 from recipe_engine.types import freeze
 
@@ skipping 48 matching lines @@
                      slavename='slavename',
                      BUILD_CONFIG=chromium_kwargs['BUILD_CONFIG']) +
       api.platform(bot_config['testing']['platform'],
                    chromium_kwargs.get('TARGET_BITS', 64))
     )
 
     if revision:
       test += api.properties(revision=revision)
 
     if mastername.startswith('tryserver'):
-      test += api.properties(patch_url='try_job_svn_patch')
+      test += api.properties(issue='123456789', patchset='1',
+                             rietveld='https://rietveld.example.com')
     return test
 
   for mastername, master_config in builders.iteritems():
     for buildername in master_config['builders'].keys():
       yield generate_builder(mastername, buildername, revision='12345')
 
   # Forced builds (not specifying any revision) and test failures.
   mastername = 'client.libyuv'
   yield generate_builder(mastername, 'Linux64 Debug', revision=None,
                          suffix='_forced')
   yield generate_builder(mastername, 'Android Debug', revision=None,
                          suffix='_forced')
 
   yield generate_builder('tryserver.libyuv', 'linux', revision=None,
                          suffix='_forced')