Revert D22118945: [android] test_app example linking to pytorch_android aar content
Test Plan: revert-hammer
Differential Revision:
D22118945 (https://github.com/pytorch/pytorch/commit/52a2adb3f4823e6b1da5ce39017fb51b96e5d455)
Original commit changeset: 31c54b49b1f2
fbshipit-source-id: 0c4929d4441572debbbc49f8674b9fc49b726599
