rietveld.py: Change three_state_keys to emit "True" or "False" query params rather than 1/2.

rietveld.py

 # coding: utf-8
 # Copyright (c) 2012 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.
 """Defines class Rietveld to easily access a rietveld instance.
 
 Security implications:
 
 The following hypothesis are made:
 - Rietveld enforces:
@@ skipping 292 matching lines @@
 
     url = '/search?format=json'
     # Sort the keys mainly to ease testing.
     for key in sorted(string_keys):
       value = string_keys[key]
       if value:
         url += '&%s=%s' % (key, urllib2.quote(value))
     for key in sorted(three_state_keys):
       value = three_state_keys[key]
       if value is not None:
-        url += '&%s=%d' % (key, int(value) + 1)
+        url += '&%s=%s' % (key, value)
 
     if keys_only:
       url += '&keys_only=True'
     if with_messages:
       url += '&with_messages=True'
     if per_request:
       url += '&limit=%d' % per_request
 
     cursor = ''
     while True:
@@ skipping 393 matching lines @@
       self, issue, patchset, reason, clobber, revision, builders_and_tests,
       master=None, category='cq'):
     logging.info('ReadOnlyRietveld: triggering try jobs %r for issue %d' %
         (builders_and_tests, issue))
 
   def trigger_distributed_try_jobs(  # pylint:disable=R0201
       self, issue, patchset, reason, clobber, revision, masters,
       category='cq'):
     logging.info('ReadOnlyRietveld: triggering try jobs %r for issue %d' %
         (masters, issue))