Run autoscheduler tests single-threaded
Run autoscheduler tests single-threaded

They include performance tests


Former-commit-id: 834158174e6391a312357eeddefc9c27336739ce
Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide