[OSS] add script to generate test models for mobile (#73746)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/73746
Added some scripts to generate 4 models for OSS mobile test
- tensor related ops
- math ops
- neural net related ops
- random sampling ops
So far these models covered around half of root ops used in production.
Will continue to iterate for more ops.
Also updated iOS test to run these test models.
Test Plan:
all tests passed on iOS simulator
{F708807282}
Reviewed By: xta0
Differential Revision: D34616936
fbshipit-source-id: c7b7b4644f766924f0914fbfe1beec2d8e098c38
(cherry picked from commit 4b1d52b1f2bc2d7325bf2712f39b8ba0a381cae1)
