Add an AOSP builder recipe.

scripts/common/annotator.py

 #!/usr/bin/env python
 # Copyright (c) 2013 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.
 
 """Contains generating and parsing systems of the Chromium Buildbot Annotator.
 
 When executed as a script, this reads step name / command pairs from a file and
 executes those lines while annotating the output. The input is json:
 
@@ skipping 362 matching lines @@
     class AnnotationFilter(chromium_utils.RunCommandFilter):
       def FilterLine(self, line):
         return line.replace('@@@', '###')
     filter_obj = AnnotationFilter()
 
   try:
     with stream.step(name) as s:
       ret = chromium_utils.RunCommand(command=map(str, cmd),
                                       cwd=cwd,
                                       env=_merge_envs(os.environ, env),
-                                      filter_obj=filter_obj)
+                                      filter_obj=filter_obj,
+                                      pipes=step_dict.get('pipes'))
       if ret != 0:
         print 'step returned non-zero exit code: %d' % ret
         print 'step was: %s' % json.dumps(step_dict)
         s.step_failure()
         build_failure = True
   except OSError:
     # File wasn't found, error has been already reported to stream.
     build_failure = True
 
   return build_failure
@@ skipping 24 matching lines @@
 
   stream = StructuredAnnotationStream(seed_steps=[s['name'] for s in steps])
   build_failure = False
   for step in steps:
     build_failure = _run_step(stream, build_failure, **step)
   return 1 if build_failure else 0
 
 
 if __name__ == '__main__':
   sys.exit(main())