Use round rather than floor for snapping text vertex positions

Bug: skia:
Change-Id: I37e93657a692a7cea49029f8694418b827dc19d5
Reviewed-on: https://skia-review.googlesource.com/70181
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed