perf: Disable v8.browsing_desktop-future/browse:tools:maps:2019 on Mac

Bug: 1057975

NOTRY=true
TBR=crouleau@chromium.org

Change-Id: I5004fbf639d4a77babb5a458339a13855fc9f7da
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2081424Reviewed-by: Sami Kyöstilä <skyostil@chromium.org>
Commit-Queue: Sami Kyöstilä <skyostil@chromium.org>
Auto-Submit: Sami Kyöstilä <skyostil@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746327}

tools/perf/expectations.config

@@ -381,6 +381,7 @@ crbug.com/1008028 [ desktop ] v8.browsing_desktop-future/browse:news:hackernews:
 crbug.com/1008001 [ win ] v8.browsing_desktop-future/browse:tools:sheets:2019 [ Skip ]
 crbug.com/1023366 [ desktop ] v8.browsing_desktop-future/browse:media:youtube:2019 [ Skip ]
 crbug.com/1044653 [ win7 ] v8.browsing_desktop-future/browse:media:youtubetv:2019 [ Skip ]
+crbug.com/1057975 [ mac ] v8.browsing_desktop-future/browse:tools:maps:2019 [ Skip ]
 
 # Benchmark: v8.browsing_mobile
 crbug.com/958034 [ android-go android-webview ] v8.browsing_mobile/* [ Skip ]