Reclassify OFL as notice per cl/537072410 am: 1a85bfcdd8 am: 9d3077f3c6 am: 348ec68707 am: ee9dd21f2e am: 5159a51a5c am: b1f2c432c7

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/arbutus-slab/+/2611417

Change-Id: I6dfc69a6b42fd483b4a65dbbecf21f48a2ccf5df
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>