extension/module c++ test (#3710)

Summary:
* Install extension_module_static as well
* Keep all symbols (whole-archive) for portable ops
* Add test for extension/module

Pull Request resolved: https://github.com/pytorch/executorch/pull/3710

Test Plan: `sh test/run_oss_cpp_tests.sh extension/module/test`

Reviewed By: shoumikhin

Differential Revision: D57940456

Pulled By: kirklandsign

fbshipit-source-id: 4a34633250a8c06c9d0db99cd1320cb2b53824a4