Upgrade fonttools to 4.17.0 am: af6cd2e5e0 am: 7c16f49eb6 am: 06febd39f2

Original change: https://android-review.googlesource.com/c/platform/external/fonttools/+/1498016

Change-Id: I385971e39bace6a365da8de63c6a53f90124d86a