[LSC] Add LOCAL_LICENSE_KINDS to system/tools/mkbootimg am: 2ec9ebe355

Original change: https://android-review.googlesource.com/c/platform/system/tools/mkbootimg/+/1588967

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I590f43b4ff72ca10cf5d6c048fb426de5c16970c