Update WebGL2 expectations for ANGLE GL + Passthrough.

BUG=693090
TBR=zmo@chromium.org

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Change-Id: I722b61b1c7276e6957b39c9d141224fd48db8498
Reviewed-on: https://chromium-review.googlesource.com/1024472
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#553257}
1 file changed