webnn: add conformance tests of float16 and float32 for gelu operator
Bug: 40206287
Change-Id: I7e743c09f4702be2c57c7a7f372840c029b19bfa
Cq-Include-Trybots: luci.chromium.try:win11-blink-rel,mac14-blink-rel,mac14.arm64-blink-rel
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5574388
Reviewed-by: ningxin hu ningxin.hu@intel.com
Reviewed-by: David Baron dbaron@chromium.org
Reviewed-by: Austin Sullivan asully@chromium.org
Auto-Submit: Feng Dai feng.dai@intel.com
Commit-Queue: Feng Dai feng.dai@intel.com
Cr-Commit-Position: refs/heads/main@{#1314523}