Adjusting getRectsForRange to grapheme edges.

Cluster edges were not enough.

Bug: skia:1003
Change-Id: Id2fdb7aa5dc2f6c4b03f1c841757796cf5c9b604
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/275220
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Julia Lavrova <jlavrova@google.com>
2 files changed