[Sheriff] Mark rebaslines for Win 10, and ignore XP test
[Sheriff] Mark rebaslines for Win 10, and ignore XP test

BUG=571481
TBR=kojii

Review URL: https://codereview.chromium.org/1544583003 .

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#366478}

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