Reclassify OFL as notice per cl/537072410 am: 5c3438571b am: ddd0249405 am: c8f9caca0a

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

Change-Id: Id603b8fb1df5c834ab1d49639f4f8ad44d193455
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>