[PyTorch][CI] Enable building test_lite_interpreter_runtime unittest in CI (macos) (#52566)
Summary:
## Summary
1. Enable building libtorch (lite) in CI (macos)
2. Run `test_lite_interpreter_runtime` unittest in CI (macos)
![image](https://user-images.githubusercontent.com/16430979/110189039-b2b8ed00-7dd2-11eb-8fa1-be2d9e23792a.png)
{F467163464}
![image](https://user-images.githubusercontent.com/16430979/110189119-e3008b80-7dd2-11eb-9e80-7c2ae6862468.png)
{F467164144}
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52566
Test Plan: Imported from OSS
Reviewed By: malfet
Differential Revision: D26601585
Pulled By: cccclai
fbshipit-source-id: da7f47c906317ab3a4ef38fe2dbf2e89bc5bdb24