[android] turn on USE_VULKAN for android builds by default (#51291)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51291
Turning on USE_VULKAN for android builds
Remove standalone android vulkan build
Testing all ci jobs (for master): https://github.com/pytorch/pytorch/pull/51292
Test Plan: Imported from OSS
Reviewed By: AshkanAliabadi
Differential Revision: D26141891
Pulled By: IvanKobzarev
fbshipit-source-id: e8e1a4ab612c0786ce09217ab9370fd75a71eb00
