Add a BoringSSL builder for OPENSSL_NO_THREADS.

masters/master.client.boringssl/master.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # 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.
 
 import config
 import master_site_config
 
@@ skipping 38 matching lines @@
 
 
 ####### BUILDERS
 
 builders = [
     {'name': 'linux'},
     {'name': 'linux_shared'},
     {'name': 'linux32'},
     {'name': 'linux_noasm_asan'},
     {'name': 'linux_small'},
+    {'name': 'linux_nothreads'},
     {'name': 'win64'},
     {'name': 'win64_small'},
     {'name': 'win32'},
     {'name': 'win32_small'},
     {'name': 'mac'},
     {'name': 'mac_small'},
     {'name': 'docs', 'factory': f_docs },
 ]
 
 for builder in builders:
@@ skipping 38 matching lines @@
     order_console_by_time=True,
     public_html='../master.chromium/public_html',
     templates=['../master.chromium/templates',
                '../master.chromium/templates'])
 
 
 ###### PROJECT IDENTITY
 
 c['projectName'] = ActiveMaster.project_name
 c['projectURL'] = ActiveMaster.project_url