webnn: handle scalar input for transpose
tflite crashes when scalar input is provided. CoreML doesn't crash but
returns error. In both cases, emulate with identity.
dml backend converts 0D input to 1D, so pass permutation=[0] instead of
empty array.
Bug: 380287134
Change-Id: Ib2fbd5a08e16d0a09aaad9e432fa06fbcf7ea652
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6039826
Reviewed-by: ningxin hu ningxin.hu@intel.com
Auto-Submit: Phillis Tang phillis@chromium.org
Commit-Queue: Phillis Tang phillis@chromium.org
Cr-Commit-Position: refs/heads/main@{#1388317}