Mark css3/filters/effect-brightness-clamping-hw.html timeout

See
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/linux-xenial-rel/2413

TBR=wjmaclean@chromium.org
NOTRY=true

Bug: 862716
Change-Id: I8e44194cc964ee607d4216d1c338bfeed28e630f
Reviewed-on: https://chromium-review.googlesource.com/1175693Reviewed-by: Xida Chen <xidachen@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583214}

third_party/WebKit/LayoutTests/TestExpectations

@@ -1728,7 +1728,7 @@ crbug.com/865839 external/wpt/service-workers/service-worker/update-after-naviga
 crbug.com/841922 [ Linux Win Mac ] virtual/video-surface-layer/media/video-controls-focus-movement-on-hide.html [ Pass Failure ]
 
 
-crbug.com/862716 [ Mac Linux Win ] css3/filters/effect-brightness-clamping-hw.html [ Failure Pass ]
+crbug.com/862716 [ Mac Linux Win ] css3/filters/effect-brightness-clamping-hw.html [ Failure Pass Timeout ]
 crbug.com/862806 [ Mac ] css3/filters/effect-drop-shadow-hw.html [ Failure Pass ]
 crbug.com/862826 [ Mac Linux ] external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html [ Failure Pass ]