[LSC] Add LOCAL_LICENSE_KINDS to external/zxing

Added SPDX-license-identifier-Apache-2.0 to:
  core/Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I3046db718cf24d5edf846e379dd5fe76b48a2aae
1 file changed