add SkFontTypes.h

Bug: skia:
Change-Id: I4506066ae2d22885164c0680a293a2a8f9cd32c8
Reviewed-on: https://skia-review.googlesource.com/c/168262
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed