[LSC] Add LOCAL_LICENSE_KINDS to external/giflib

Added SPDX-license-identifier-MIT to:
  Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: Id293a7820c9060855ad5d812301f060fab813b4b
1 file changed