Switch runtime effect fuzzer to use MakeForShader

New entry point that does stricter checking on SkSL validity.

Bug: skia:11813
Change-Id: Icc8501c108af278e2fe1029859a552ea6ab6eb08
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/401056
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed