Disable LayoutTest virtual/.../scroll-during-selection.html

Flaky on linux bot

https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Linux%20Tests%20%28dbg%29%281%29

TBR=sahel@chromium.org

Bug: 905694
Change-Id: I749d9795251c53c651b7000d0bedfa7d09d6e040
Reviewed-on: https://chromium-review.googlesource.com/c/1338164Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Ella Ge <eirage@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608416}

third_party/WebKit/LayoutTests/TestExpectations

@@ -5374,3 +5374,6 @@ crbug.com/497522 css3/filters/backdrop-filter-svg.html [ Failure ]
 crbug.com/497522 css3/filters/backdrop-filter-plus-filter.html [ Failure ]
 crbug.com/497522 external/wpt/css/filter-effects/backdrop-filter-isolation-isolate.html [ Failure ]
 crbug.com/497522 external/wpt/css/filter-effects/backdrop-filter-border-radius.html [ Failure ]
+
+#Sheriff 2018-11-14
+crbug.com/905694 [ Linux ] virtual/threaded/fast/scroll-behavior/smooth-scroll/scroll-during-selection.html [ Failure Pass ]
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