[LSC] Add LOCAL_LICENSE_KINDS to external/libprotobuf-mutator am: a9ff763e97 am: 7514b14c2b

Original change: https://android-review.googlesource.com/c/platform/external/libprotobuf-mutator/+/1588860

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I472cdb9cfca4aca0341c2be21e7d3df7c80d43c1