[LSC] Add LOCAL_LICENSE_KINDS to external/iperf3 am: 0dad6508a8

Original change: https://android-review.googlesource.com/c/platform/external/iperf3/+/1588598

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I510c2680b786392426746b6b79ef88be0f86a2f3