[libFuzzer][Windows] Add build configuration for LF-Win-ASAN release

Bug: 888006
Change-Id: I95b5936b1d9f2358a1b6dd75f7f3e3f1edcf2dd2
Reviewed-on: https://chromium-review.googlesource.com/c/1260217
Commit-Queue: Jonathan Metzman <metzman@chromium.org>
Reviewed-by: Stephen Martinis <martiniss@chromium.org>
Cr-Commit-Position: refs/heads/master@{#597236}

tools/mb/mb_config.pyl

@@ -217,6 +217,7 @@
       'Libfuzzer Upload Linux MSan': 'libfuzzer_msan_release_bot',
       'Libfuzzer Upload Linux UBSan': 'libfuzzer_ubsan_release_bot',
       'Libfuzzer Upload Mac ASan': 'libfuzzer_mac_asan_release_bot',
+      'Libfuzzer Upload Windows ASan': 'libfuzzer_windows_asan_release_bot',
       'Linux ARM': 'release_bot_arm',
       'Linux Clang Analyzer': 'linux_chromium_analysis',
       'Linux remote_run Builder': 'release_bot',
@@ -1432,6 +1433,13 @@
       'libfuzzer', 'asan', 'release_bot', 'chrome_with_codecs', 'pdf_xfa', 'disable_nacl', 'optimize_for_fuzzing',
     ],
 
+    # Note that because of optimize_for_fuzzing, Windows cannot share a config
+    # with other libFuzzer builds. optimize_for_fuzzing is used by the other
+    # libFuzzer build configs but it does not work on Windows.
+    'libfuzzer_windows_asan_release_bot': [
+      'libfuzzer', 'asan', 'release_bot', 'chrome_with_codecs', 'pdf_xfa', 'disable_nacl', 'minimal_symbols',
+    ],
+
     'libfuzzer_msan_release_bot': [
       'libfuzzer', 'msan', 'release_bot', 'chromeos_codecs', 'pdf_xfa', 'disable_nacl', 'optimize_for_fuzzing',
     ],