[LSC] Add LOCAL_LICENSE_KINDS to external/python/pybind11

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

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: Ib391e63354419ce2afd30ef7599c12f75c9b1eb0
1 file changed