Add AIDL library to update_engine am: 8251dc06e1 am: 8ec1c42e73

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2125384

Change-Id: Ife5f14432744d336bb9cfa06526363acd870b5b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>