Marking layout test utf-8.html as 'Crash'.

Already seems to time out 100% of the time, and similar tests
in TestExpectations are marked as crash.  So, adding that to
this one as well.

TBR=dom-dev@chromium.org

Bug: 811993
Change-Id: I4451212e7e4263ed3c843c4860ce1834ebd0079b
Reviewed-on: https://chromium-review.googlesource.com/917222
Commit-Queue: Frank Liberato <liberato@chromium.org>
Reviewed-by: Frank Liberato <liberato@chromium.org>
Cr-Commit-Position: refs/heads/master@{#536749}

third_party/WebKit/LayoutTests/TestExpectations

@@ -1848,7 +1848,7 @@ crbug.com/626703 external/wpt/html/browsers/the-window-object/window-open-noopen
 crbug.com/626703 external/wpt/html/browsers/windows/noreferrer-window-name.html [ Timeout ]
 crbug.com/626703 external/wpt/html/infrastructure/urls/resolving-urls/query-encoding/utf-16be.html [ Timeout Crash ]
 crbug.com/626703 external/wpt/html/infrastructure/urls/resolving-urls/query-encoding/utf-16le.html [ Timeout ]
-crbug.com/626703 external/wpt/html/infrastructure/urls/resolving-urls/query-encoding/utf-8.html [ Timeout ]
+crbug.com/626703 external/wpt/html/infrastructure/urls/resolving-urls/query-encoding/utf-8.html [ Timeout Crash ]
 crbug.com/626703 external/wpt/html/infrastructure/urls/resolving-urls/query-encoding/windows-1251.html [ Timeout ]
 crbug.com/626703 external/wpt/html/infrastructure/urls/resolving-urls/query-encoding/windows-1252.html [ Timeout ]
 crbug.com/626703 external/wpt/html/semantics/embedded-content/the-embed-element/embed-represent-nothing-02.html [ Failure ]