[mobile][android] Refactor android helloworld tutorial#266

brucejlin1 merged 1 commit intopytorch:mobile-launchpytorch/pytorch.github.io:mobile-launchfrom

IvanKobzarev:ik_android_helloworld_refactorIvanKobzarev/pytorch.github.io:ik_android_helloworld_refactorCopy head branch name to clipboard