Fix license_type. Contains GPL am: 5e95ab2929 am: 2ebacdb092

Original change: https://android-review.googlesource.com/c/platform/prebuilts/build-tools/+/1573265

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie899f204108763b5962a95a9de01999a50b0fb77