[android][test_app][reland] test_app example linking to pytorch_android aar content (#40313)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/40313
Test Plan: Imported from OSS
Differential Revision: D22147079
Pulled By: IvanKobzarev
fbshipit-source-id: c70a0a9dda8834376ed304a461318d4c6ef84582
