Build scripts for HarfBuzz 3.1.1

Change-Id: I30f1fdcca02f20e6f8da01f7f93494511e3af505
Reviewed-on: https://flutter-review.googlesource.com/c/third_party/harfbuzz/+/24380
Reviewed-by: Dan Field <dnfield@google.com>
Commit-Queue: Jason Simmons <jsimmons@google.com>
2 files changed