Suppress Linux/SkiaRenderer controls-layout-direction failure

media/controls-layout-direction.html pixel tests are failing on
Linux/SkiaRenderer with and w/o Vulkan. Suppress.

TBR=jonross@chromium.org

Bug: 1086181
Change-Id: If289b9ee276fb75691565cfc499c11b5073e2a6f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2214904Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Reviewed-by: Jonathan Ross <jonross@chromium.org>
Commit-Queue: Robert Kroeger <rjkroege@chromium.org>
Auto-Submit: Robert Kroeger <rjkroege@chromium.org>
Cr-Commit-Position: refs/heads/master@{#771593}

third_party/blink/web_tests/FlagExpectations/enable-features=UseSkiaRenderer

@@ -14,3 +14,6 @@ crbug.com/1026375 [ Win ] media/video-currentTime-delay.html [ Timeout Pass ]
 crbug.com/1026375 [ Win ] media/encrypted-media/encrypted-media-playback-setmediakeys-before-src.html [ Timeout Pass ]
 crbug.com/1026375 [ Win ] media/controls/video-enter-exit-fullscreen-while-hovering-shows-controls.html [ Failure Pass ]
 crbug.com/1026375 [ Win ] media/video-pause-immediately.html [ Failure Pass ]
+
+# Failing on Linux.
+crbug.com/1086181 [ Linux ] media/controls-layout-direction.html [ Failure ]