Reclassify OFL as notice per cl/537072410 am: 8449e4b2e7 am: 876ac4993e am: d69f837ad8 am: c5deb32c5c am: 376a45a8a2 am: 751c566759

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/source-sans-pro/+/2611877

Change-Id: I60cadb28dcfba7f53e9fc9c5ed80bf36f2f57bb2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>