autotest: temporarily disable video_ChromeHWDecodeUsed on sandybridge

BUG=chromium:521249
CQ-DEPEND=CL:295591
TEST=cq should pass now for CL:295591

Change-Id: Ib3bc3a4a38489b9ea530dcd409bc67ac8a28b3a5
Reviewed-on: https://chromium-review.googlesource.com/295745
Commit-Ready: Haixia Shi <hshi@chromium.org>
Tested-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Ilja Friedel <ihf@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
1 file changed