Add test configs for nvpr with atlas text

Adds nvpr4 and nvpr16, which use nvpr for paths and atlas for text.

Renames nvprmsaa4 and nvprmsaa16 to nvprdit4, nvprdit16. These use nvpr
for both paths and text.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1834693002

Review URL: https://codereview.chromium.org/1834693002
4 files changed