Fix _upsample_bilinear2d_aa portable kernel correctness

[arkadip-maitra]

Summary

Fixes #13969

Fix _upsample_bilinear2d_aa portable kernel correctness for anti-aliased downsampling by removing the 4 tap contributor limit and matching PyTorch’s full support window.

Added portable tests and corrected tolerance in test file

cc @larryliu0820 @manuelcandales

[pytorch-bot]

🔗 Helpful Links

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❌ 5 New Failures, 2 Cancelled Jobs

As of commit d052f55 with merge base 4af91c3 ():

NEW FAILURES - The following jobs have failed:

• Lint / lintrunner-mypy (gh)
  >>> Lint for backends/cortex_m/quantizer/pattern_matcher.py:
• pull / android / build-android (gh)
  ImportError: /opt/hostedtoolcache/Python/3.11.15/x64/lib/python3.11/site-packages/executorch/extension/training/pybindings/_training_lib.cpython-311-x86_64-linux-gnu.so: undefined symbol: _ZN3c104impl3cow23materialize_cow_storageERNS_11StorageImplE
• pull / test-binary-size-linux-gcc / linux-job (gh)
  RuntimeError: Command docker exec -t 3e68737f527af984adedef4c8d3c031552beccfc33aa3a600ec74a6bcba94d43 /exec failed with exit code 1
• pull / unittest / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 80bca6697d412c877c1304f34dae861c8672baaf70ce376fcbf03556f965ddbd /exec failed with exit code 1
• pull / unittest-editable / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 44e266404ac29fc71c11bbb7a640b1bbeb0b952757099dcf89008f3f42902397 /exec failed with exit code 1

CANCELLED JOBS - The following jobs were cancelled. Please retry:

• periodic / gather-models (gh)
• pull / unittest-nxp-neutron / linux-job (gh)

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[manuelcandales]

Nicely done @arkadip-maitra
Thank you!

[arkadip-maitra]

Nicely done @arkadip-maitra Thank you!

Hi @manuelcandales, thank you for the approval.

I checked the lint failures and they seem unrelated to the 3 files changed in this PR, also the other failures seems unrelated.

If that looks okay on your side would you prefer merging this PR or should I rebase first