Standalone cuda init test with raw driver API
Standalone cuda init test with raw driver API

Former-commit-id: eeb1c63ec4b1d118d42dc41699b0a36d99e1829c
darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide