Update aaos prebuilts am: 8a1858549f

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/sdk/+/24021839

Change-Id: I99c607daf2e381446170ff5063ce273dd7ec272c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>