Correctly link video-aspect-ratio failure to crbug

Bug: 963764, 963141
Change-Id: Iabffc84c01c9bf15dcfa2a9da20ae98b859efd4e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1625207Reviewed-by: Becca Hughes <beccahughes@chromium.org>
Commit-Queue: Tommy Steimel <steimel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662239}

third_party/blink/web_tests/TestExpectations

@@ -5658,9 +5658,9 @@ crbug.com/937991 [ Win7 Release ] http/tests/devtools/cache-storage/cache-data.j
 crbug.com/963141 [ Mac Win ] media/video-object-fit.html [ Pass Failure ]
 crbug.com/963141 media/video-object-fit-change.html [ Pass Failure ]
 crbug.com/963141 [ Mac Win ] media/controls/video-overlay-cast-light-rendering.html [ Pass Failure ]
+crbug.com/963141 [ Mac ] media/video-aspect-ratio.html [ Pass Failure ]
 
 # Sheriff 2019-05-16
-crbug.com/963764 [ Mac ] media/video-aspect-ratio.html [ Pass Failure ]
 crbug.com/963141 [ Linux ] media/video-object-fit.html [ Pass Failure ]
 crbug.com/963740 [ Win ] compositing/video-frame-size-change.html [ Pass Failure ]