Roll HarfBuzz from a52c6df3 to 31607897 (132 commits)

https://chromium.googlesource.com/external/github.com/harfbuzz/harfbuzz.git/+log/a52c6df38a38c4e36ff991dfb4b7d92e48a44553..3160789701463bcd822c26010da4de33c92c85d9

Change-Id: I36ae4f5d2a07dffd944eb3987e757db5c7d22a3d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/476537
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Auto-Submit: Ben Wagner <bungeman@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
3 files changed