[LSC] Add LOCAL_LICENSE_KINDS to prebuilts/gradle-plugin

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

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all
Change-Id: I789121d45926afd79e95d7cb455147feea784855
1 file changed
tree: be40d18f0cee2d0718d881d97d9fd6d02d54a7d4
  1. com/
  2. .gitignore
  3. Android.bp
  4. METADATA