Draw perspective text as paths.

Perspective glyphs can vary in screen size so it's unclear which SDF
level is best, and even if we choose one for an entire subrun it's
possible that a given glyph will have artifacts if it's too big.
Instead we fall back to paths.

Bug: skia:9515
Change-Id: I88f03b25651df0222459f5dbd03eee9465b97487
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/247437
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
3 files changed