[go/perfbot-sheriff] Disable v8 cnn story.

NOTRY=true
R=ulan@chromium.org
TBR=ulan@chromium.org

Bug: 1062438
Change-Id: If81aed43750d93d5c61b02e22c8e40b9f2acec81
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2108060Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Commit-Queue: Caleb Rouleau <crouleau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#751165}

tools/perf/expectations.config

@@ -377,6 +377,7 @@ crbug.com/1008028 [ desktop ] v8.browsing_desktop/browse:news:hackernews:2018 [
 crbug.com/1009838 [ mac ] v8.browsing_desktop/browse:tools:maps:2019 [ Skip ]
 crbug.com/1008001 [ win ] v8.browsing_desktop/browse:tools:sheets:2019 [ Skip ]
 crbug.com/1023366 [ desktop ] v8.browsing_desktop/browse:media:youtube:2019 [ Skip ]
+crbug.com/1062438 [ win10 ] v8.browsing_desktop/browse:news:cnn:2018 [ Skip ]
 
 # Benchmark v8.browsing_desktop-future
 crbug.com/788796 [ linux ] v8.browsing_desktop-future/browse:media:imgur [ Skip ]