Disable external/wpt/pointerevents/pointerlock/pointerevent_pointerlock_supercedes_capture.html

Bug: 1136687
Change-Id: Ic4b355611010a70ce4ae903c948fb67ed2a02ad9
Tbr: danakj@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2462755Reviewed-by: Hajime Hoshi <hajimehoshi@chromium.org>
Commit-Queue: Hajime Hoshi <hajimehoshi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815442}

third_party/blink/web_tests/TestExpectations

@@ -6619,3 +6619,6 @@ crbug.com/1135405 http/tests/devtools/sources/debugger-pause/debugger-pause-infi
 crbug.com/1135978 [ Linux Release ] fast/dom/css-delete-doc.html [ Pass Timeout ]
 
 crbug.com/1134237 virtual/origin-trials-runtimeflags-disabled/http/tests/origin_trials/webexposed/beforematch-origin-trial-interfaces.html [ Failure ]
+
+# Sheriff 2020-10-08
+crbug.com/1136687 [ Linux ] external/wpt/pointerevents/pointerlock/pointerevent_pointerlock_supercedes_capture.html [ Pass Failure ]