Patch test_quantized_aot_lib.sh in OSS (#2652)

Summary:
Fix an error in https://github.com/pytorch/executorch/pull/1562
Make sure [test_quantized_aot_lib.sh](https://github.com/pytorch/executorch/pull/2652/files#diff-50202debf18aa984fa36c1450a3dbb2726c76ea23fffbe5c6eef95ede61af9d4)
Correspond to internal fbcode version

Pull Request resolved: https://github.com/pytorch/executorch/pull/2652

Reviewed By: shoumikhin

Differential Revision: D55323609

Pulled By: atalman

fbshipit-source-id: b8413b31a4119bf7a4afd70266a0a5301777ca0c