Fix project hosting API name

infra/services/builder_alerts/crbug_issues.py

 # Copyright 2015 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.
 
 from collections import defaultdict
 import datetime
 import json
 
 import httplib2
 
@@ skipping 11 matching lines @@
 
 
 def _build_crbug_service(crbug_service_account):  # pragma: no cover
   with open(crbug_service_account) as crbug_sa_file:
     service_account = json.load(crbug_sa_file)
 
   creds = client.SignedJwtAssertionCredentials(
       service_account['client_email'], service_account['private_key'],
       PROJECT_HOSTING_SCOPE)
   http = creds.authorize(httplib2.Http())
-  return discovery.build('project_hosting', 'v2',
+  return discovery.build('projecthosting', 'v2',
                          discoveryServiceUrl=DISCOVERY_URL, http=http)
 
 
 def _list_issues(crbug_service_account):
   service = _build_crbug_service(crbug_service_account)
   issues = []
   seen_issue_ids = set()
   for whitelisted_label in WHITELISTED_LABELS:
     start_index = 1
     while True:
@@ skipping 119 matching lines @@
 
     sheriff_issue['tags'] = sorted(tags)  # converts back to list
     if severity is not None:
       sheriff_issue['severity'] = severity
 
     # We assume that a tags have 1:1 mapping to trees here.
     for tag in sheriff_issue['tags']:
       sheriff_issues[tag].append(sheriff_issue)
 
   return sheriff_issues