Blacklist GPU Raster / Canvas on NVidia GPU macs with High Sierra

These systems have bad graphical glitches, and we'd like to get a fix in for M62.

TBR=and the next, ericrk@chromium.org, vmiura@chromium.org as this is a very small change we discussed
stable cut is on Tuesday. I want to get a day or two of Canary coverage over the
weekend so we can merge with higher confidence.

(cherry picked from commit bb354ab52392a11204cd3fc2d443d6ba5cbb87ed)

Bug: 773705
Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: I5c4459b5658a7540424d2ad2193bb5b3601b4cad
Reviewed-on: https://chromium-review.googlesource.com/732325
Commit-Queue: Eric Karl <ericrk@chromium.org>
Reviewed-by: Eric Karl <ericrk@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#510695}
Reviewed-on: https://chromium-review.googlesource.com/736859
Cr-Commit-Position: refs/branch-heads/3202@{#738}
Cr-Branched-From: fa6a5d87adff761bc16afc5498c3f5944c1daa68-refs/heads/master@{#499098}
1 file changed