Marks virtual/threaded/fast/scroll-behavior/smooth-scroll/mousewheel-scroll-interrupted.html flaky on windows
Marks virtual/threaded/fast/scroll-behavior/smooth-scroll/mousewheel-scroll-interrupted.html flaky on windows

R=ymalik@chromium.org
TBR=ymalik@chromium.org
BUG=587165

Review URL: https://codereview.chromium.org/1707833002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#375948}

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