RTL Glyph positioning

Bug: skia:11257
Change-Id: I297763c9585b988f5f89fd87b596c39220115f6d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/368537
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Julia Lavrova <jlavrova@google.com>
3 files changed