Reclassify OFL as notice per cl/537072410 am: 3398801c7c

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/rubik/+/2611377

Change-Id: Ifb43b8a1b09134cd2c856b00efe4fa5215ce3028
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>