[LSC] Add LOCAL_LICENSE_KINDS to external/modp_b64 am: 38a2bcd309 am: ca4a6bf2ad am: 326efca091

Original change: https://android-review.googlesource.com/c/platform/external/modp_b64/+/1588918

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7ce7fedab1b79123cbdcb8c4020d914b58f6db4a