Upgrade fonttools to 4.37.1 am: ae8de171b8 am: ae308ea7c8

Original change: https://android-review.googlesource.com/c/platform/external/fonttools/+/2193410

Change-Id: I27fa92186797e0b1277301daeae802eac305671d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>