Use SkFontHinting instead of macros.

Change-Id: Ie7f231295c27010f53f09e9879aa7df74ab2d09b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212507
Auto-Submit: Ben Wagner <bungeman@google.com>
Reviewed-by: Hal Canary <halcanary@skia.org>
Commit-Queue: Ben Wagner <bungeman@google.com>
28 files changed