Upgrade fonttools to 4.22.0 am: 6cf80b8fa7 am: d11d71b940 am: 78e33b8121

Original change: https://android-review.googlesource.com/c/platform/external/fonttools/+/1662591

Change-Id: I320f739007bc6b73cfd2bba0f4f6c69f3510d0fd