Add license_note am: 707a319c5e am: fb0c1c32af am: 140e8f5722 am: 5a9349dcf5 am: 65b0db6515

Original change: https://android-review.googlesource.com/c/platform/external/google-fonts/rubik/+/2012355

Change-Id: I891f1faf23193ad81f556e3e2bbba6d33eedf2b6