use font instead of paint for text

Bug: skia:
Change-Id: I508ecbd6c4dad41f67f5f2ce6da6c0065dacba6c
Reviewed-on: https://skia-review.googlesource.com/c/180365
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
17 files changed