[LSC] Add LOCAL_LICENSE_KINDS to external/python/six am: 2bb1eae598 am: ec4b0b59d1 am: 7d19a2c3f0 Original change: https://android-review.googlesource.com/c/platform/external/python/six/+/1588519 MUST ONLY BE SUBMITTED BY AUTOMERGER Change-Id: I77ce67cbd23cfc1d00599034518f64e11a3bfabf