webnn: add WPT tests to cover the label for clamp, concat, conv2d, convTranspose and pool
This CL adds more validation tests to cover the label setting for clamp,
concat, conv2d, convTranspose2d and pool.
Bug: 354513206
Change-Id: I5e99d0fe47da222396bd00b23da98a8a4625ab66
Cq-Include-Trybots: luci.chromium.try:win11-blink-rel,mac14.arm64-blink-rel,mac14-blink-rel, linux-blink-rel
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5751123
Reviewed-by: Phillis Tang phillis@chromium.org
Commit-Queue: Lisha Guo lisha.guo@intel.com
Reviewed-by: ningxin hu ningxin.hu@intel.com
Cr-Commit-Position: refs/heads/main@{#1337837}