[LSC] Add LOCAL_LICENSE_KINDS to external/ethtool am: 025eb9d25f am: a45bc2e6b5 am: 695081dd22 am: 47f299127b

Original change: https://android-review.googlesource.com/c/platform/external/ethtool/+/1588892

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Icd88d1f355019c418b3a45fdcc3f11e0d04b2eeb