Reclassify OFL as notice per cl/537072410 am: 5c3438571b

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/barlow/+/2612136

Change-Id: I5a3d20dda9cae8b04a20bf827c5f9ff0b4038e8f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>