[Sheriff] Disable slow Linux MSAN Layout Tests

TBR=drott@chromium.org

Bug: 931660
Change-Id: Ice215c7a46f231bfffd00eea2dea89561c173ff8
Reviewed-on: https://chromium-review.googlesource.com/c/1470146
Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#631660}
1 file changed