[build] Switch win asan bots to 32 bits

V8 side for:
https://chromium-review.googlesource.com/c/chromium/tools/build/+/720373

TBR=sergiyb@chromium.org
NOTRY=true
NOTREECHECKS=true

Bug: chromium:726584
Change-Id: I240be307c1072a2fce354b4eda8a60e1c65b1607
Reviewed-on: https://chromium-review.googlesource.com/720796
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48575}

infra/mb/mb_config.pyl

@@ -74,11 +74,11 @@
       'V8 Win32 - debug builder': 'gn_debug_x86_minimal_symbols',
       'V8 Win32 - nosnap - shared':
         'gn_release_x86_no_snap_shared_minimal_symbols',
+      'V8 Win32 ASAN': 'gn_release_x86_asan_no_lsan',
       'V8 Win64': 'gn_release_x64_minimal_symbols',
       'V8 Win64 - debug': 'gn_debug_x64_minimal_symbols',
       # TODO(machenbach): Switch plugins on when errors are fixed.
       'V8 Win64 - clang': 'gn_release_x64_clang',
-      'V8 Win64 ASAN': 'gn_release_x64_asan_no_lsan',
       # Mac.
       'V8 Mac': 'gn_release_x86',
       'V8 Mac - debug': 'gn_debug_x86',
@@ -212,13 +212,13 @@
       'v8_linux64_tsan_concurrent_marking_rel_ng':
           'gn_release_x64_tsan_concurrent_marking_minimal_symbols',
       'v8_linux64_ubsan_rel_ng': 'gn_release_x64_ubsan_vptr_minimal_symbols',
+      'v8_win_asan_rel_ng': 'gn_release_x86_asan_no_lsan',
       'v8_win_dbg': 'gn_debug_x86_trybot',
       'v8_win_compile_dbg': 'gn_debug_x86_trybot',
       'v8_win_rel_ng': 'gn_release_x86_trybot',
       'v8_win_nosnap_shared_rel_ng':
         'gn_release_x86_no_snap_shared_minimal_symbols',
       'v8_win64_clang_compile_rel': 'gn_release_x64_clang',
-      'v8_win64_asan_rel_ng': 'gn_release_x64_asan_no_lsan',
       'v8_win64_dbg': 'gn_debug_x64_minimal_symbols',
       'v8_win64_rel_ng': 'gn_release_x64_trybot',
       'v8_mac_rel_ng': 'gn_release_x86_trybot',
@@ -488,6 +488,8 @@
     # GN release configs for x86.
     'gn_release_x86': [
       'gn', 'release_bot', 'x86', 'swarming'],
+    'gn_release_x86_asan_no_lsan': [
+      'gn', 'release_bot', 'x86', 'asan', 'swarming'],
     'gn_release_x86_disassembler': [
       'gn', 'release_bot', 'x86', 'v8_enable_disassembler'],
     'gn_release_x86_gcc': [