Use halide_print() rather than Printer<> for shader source dump
Use halide_print() rather than Printer<> for shader source dump

Former-commit-id: a30b1a7129e6eac100ff36e4e7d6ed7b08eaaac1
Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide