Make CrWinClangLLD bot do 32-bit builds, add a CrWinClangLLD64 bot.

masters/master.chromium.fyi/slaves.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # 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.
 
 # See master.experimental/slaves.cfg for documentation.
 
 
@@ skipping 577 matching lines @@
   {
     'master': 'ChromiumFYI',
     'builder': ['CrWinAsan tester', 'CrWinClangLLD tester'],
     'hostname': 'vm978-m1',
     'os': 'win',
     'version': 'win7',
     'bits': '64',
   },
   {
     'master': 'ChromiumFYI',
-    'builder': 'CrWinAsan(dll)',
+    'builder': ['CrWinAsan(dll)', 'CrWinClangLLD64'],
     'hostname': 'build27-m1',
     'os': 'win',
     'version': 'win7',
     'bits': '64',
   },
   {
     'master': 'ChromiumFYI',
-    'builder': 'CrWinAsan(dll) tester',
+    'builder': ['CrWinAsan(dll) tester', 'CrWinClangLLD64 tester'],
     'hostname': 'vm190-m1',
     'os': 'win',
     'version': 'win7',
     'bits': '64',
   },
   {
     'master': 'ChromiumFYI',
     'builder': [
       'ClangToTLinux',
       'ClangToTLinux tester',
@@ skipping 283 matching lines @@
   },
   {
     'master': 'ChromiumFYI',
     'builder': 'Chromium Win 10',
     'hostname': 'vm17-m1',
     'os': 'win',
     'version': 'win10',
     'bits': '64',
   },
 ]