[LSC] Add LOCAL_LICENSE_KINDS to external/grpc-grpc am: caf1c07960 am: 7758608f66 am: 31ea9a7237

Original change: https://android-review.googlesource.com/c/platform/external/grpc-grpc/+/1588888

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I06b5b4128b30af2a719117f06eafe909804053b7