[iOS] Enable selective build for testing FBNet in PyTorchPlayground (#35647)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/35647
Since we have enabled the unit test for FBNet on iOS, it'll block people from landing due to the missing support for selective build. This PR adds the missing ops in PyTorchPlaygronud to support FBNet.
ghstack-source-id: 101098537
allow-large-files
Test Plan: - `buck test PyTorchPlayground`
Reviewed By: iseeyuan
Differential Revision: D20723020
fbshipit-source-id: dc4443f50bb39166dbf45ca159bb32d5b45d2eea
