mb_config.pyl: Add win-asan bot entry for tryserver.chromium.win too.

Needed to be able to send try jobs for win-asan.

Bug: 869973
Change-Id: I8635fb79b298596de0b4488b911f98db320b66fc
Reviewed-on: https://chromium-review.googlesource.com/1179090
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583946}

tools/mb/mb_config.pyl

@@ -658,6 +658,7 @@
       'win10_chromium_x64_rel_ng': 'gpu_tests_release_trybot',
       'win10_chromium_x64_rel_ng_exp': 'release_trybot',
       'win-annotator-rel': 'release_trybot',
+      'win-asan': 'asan_clang_fuzzer_static_v8_heap_minimal_symbols_release',
       'win-jumbo-rel': 'jumbo_release_bot_minimal_symbols',
       'win_chromium_gn_upload': 'release_bot_x86_minimal_symbols',
       'win_x64_archive': 'release_trybot',