NXP backend: Test avg_pool2d with new Neutron flow.#19147

MartinPavella wants to merge 4 commits intopytorch:mainpytorch/executorch:mainfrom

nxp-upstream:nxg01483/EIEX-858-add-avg_pool2d-support-using-new-neutron-flownxp-upstream/executorch:nxg01483/EIEX-858-add-avg_pool2d-support-using-new-neutron-flowCopy head branch name to clipboard