[LSC] Add LOCAL_LICENSE_KINDS to system/testing/gtest_extras am: 192ca88999 am: 8f63b7101b

Original change: https://android-review.googlesource.com/c/platform/system/testing/gtest_extras/+/1588968

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I5e72b74b9e4af20023f61ea32fb09c2a0ade85de