Reclassify OFL as notice per cl/537072410 am: 65706315e7 am: 692618919b

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/arvo/+/2611710

Change-Id: Ia1341edf6b3c13e129e5cf017b68afdba6821f82
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>