[LSC] Add LOCAL_LICENSE_KINDS to external/libaom am: 76e5910cfe am: 2c04ec60be am: 3880a778dd am: 0cbe544943

Original change: https://android-review.googlesource.com/c/platform/external/libaom/+/1588911

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie5743de5954ecf5d6d20e7cbb0115ba84772528e