webnn: add npu virtualtestsuite for Mac and Windows
Skip the tests for Windows on CQ until we have infra support. But still
include Windows on VirtualTestSuite to make it easy for local runs.
Change-Id: I56a910a0883694f875c82ab88c0cadd218f17c9e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5583198
Auto-Submit: Phillis Tang phillis@chromium.org
Reviewed-by: Austin Sullivan asully@chromium.org
Commit-Queue: Phillis Tang phillis@chromium.org
Reviewed-by: Robert Flack flackr@chromium.org
Cr-Commit-Position: refs/heads/main@{#1312213}