Make the WinASan bots 32-bit again

tools/mb/mb_config.pyl

 # 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.
 
 {
   # This is a map of buildbot master names -> buildbot builder names ->
   # config names (where each config name is a key in the 'configs' dict,
   # below). MB uses this dict to look up which config to use for a given bot.
   'masters': {
     # Take care when changing any of these builders to ensure that you do not
@@ skipping 1787 matching lines @@
       'swarming', 'gpu_tests', 'gn', 'release_trybot', 'x86',
     ],
 
     'swarming_gpu_tests_gn_release_bot': [
       'swarming', 'gpu_tests', 'gn', 'release_bot',
     ],
 
     ('swarming_gn_asan_clang_edge_fuzzer'
          '_static_v8_heap_x86_full_symbols_release'): [
       'swarming', 'gn', 'asan', 'clang_tot', 'edge', 'fuzzer', 'static',
-      'v8_heap', 'full_symbols', 'release',
+      'v8_heap', 'full_symbols', 'release', 'x86',
     ],
 
     'swarming_gn_asan_clang_shared_v8_heap_x86_full_symbols_release': [
       'swarming', 'gn', 'asan', 'clang_tot', 'shared', 'v8_heap',
-      'full_symbols', 'release',
+      'full_symbols', 'release', 'x86',
     ],
 
     'swarming_gn_asan_clang_fuzzer_static_v8_heap_x86_full_symbols_release': [
       'swarming', 'gn', 'asan', 'clang_tot', 'fuzzer', 'static', 'v8_heap',
-      'full_symbols', 'release',
+      'full_symbols', 'release', 'x86',
     ],
 
     'swarming_gn_asan_disable_nacl_clang_tot_full_symbols_static_release': [
       'swarming', 'gn', 'asan', 'clang_tot', 'full_symbols', 'static',
       'release',
     ],
 
     'swarming_gn_chromeos_msan_release_bot': [
       'swarming', 'gn', 'chromeos', 'msan', 'release_bot',
     ],
@@ skipping 598 matching lines @@
     },
 
     'drfuzz': { 'gn_args': 'use_drfuzz=true' },
 
     'drmemory': {
       'gn_args': 'is_component_build=true enable_iterator_debugging=false',
       'gyp_defines': 'component=shared_library build_for_tool=drmemory',
     },
   },
 }