Skip external/wpt/dom/interfaces.html?exclude=Node on Linux

...as it's currently failing on the Linux MSan bot.

Bug: 854599
Change-Id: I36a19408db4bb37ed667ac67f62e05fbf404eb60
TBR: hajimehoshi@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/1107923Reviewed-by: Martin Šrámek <msramek@chromium.org>
Commit-Queue: Martin Šrámek <msramek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568839}

third_party/WebKit/LayoutTests/TestExpectations

@@ -4729,3 +4729,5 @@ crbug.com/853360 [ Mac ] fast/forms/select/menulist-appearance-rtl.html [ Failur
 # Sheriff 2018-06-18
 crbug.com/853852 [ Linux ] virtual/threaded/external/wpt/feature-policy/experimental-features/vertical-scroll-wheel-block-manual.tentative.html [ Pass Timeout ]
 crbug.com/854053 [ Mac10.13 Debug ] virtual/threaded/fast/animationworklet/animation-worklet-scroll-timeline.html [ Pass Crash ]
+
+crbug.com/854599 [ Linux ] external/wpt/dom/interfaces.html?exclude=Node [ Skip ]