[LSC] Add LOCAL_LICENSE_KINDS to external/libsrtp2 am: f39d4199d6

Original change: https://android-review.googlesource.com/c/platform/external/libsrtp2/+/1588161

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I05338f292671a91608320e150a274e6faf3d17d8