Reclassify OFL as notice per cl/537072410 am: 166fa84e6a am: 2c93bf1691 am: e6e1657bb9 am: 9a8e659a5c am: 16ddfde621

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/karla/+/2611418

Change-Id: I5949ea252fc3a32e33b4ae6dc13d556ff8f69ca3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>