end2end memory format pass test with both aten and lean mode (#2177)

Summary:
Pull Request resolved: https://github.com/pytorch/executorch/pull/2177
This diff makes memory format test end2end, meaning the whole pipeline from export model, to lowering, running and examine the consistency. Also support both aten mode and lean mode when executing.

Reviewed By: digantdesai, larryliu0820

Differential Revision: D53782738

fbshipit-source-id: 0900bcaff644ac656e1c0ea8a4a1966bb5636e00