.circleci: Skip cuda /cudnn install if existing (#64825)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/64825
Rewrites this script to only install the CUDA tools if they are not already
pre-installed
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: malfet
Differential Revision: D30869803
Pulled By: seemethere
fbshipit-source-id: 9eb3bd20875df0f2b18f5314ac825dbdf91637b5
