am a8cacec5: (-s ours) am c08dcf32: am b3c235fa: am 88c55b6b: (-s ours) am 77fdd6d2: am 1dead96e: am f1289173: Update layoutlib_api-prebuilt to v12 [DO NOT MERGE]

* commit 'a8cacec5d394a61d683a057a2f35c4accaa99a57':
  Update layoutlib_api-prebuilt to v12 [DO NOT MERGE]