[LSC] Add LOCAL_LICENSE_KINDS to external/google-fonts/zilla-slab am: 776443897f am: 5b376c16ce am: 801eb44336 am: ed55bed370 am: 6c71a35297

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/zilla-slab/+/1588638

Change-Id: Ie5b14bcb05ac1e33f7a3ebfd51edef0e6cffc6b9