VehicleManager: use with RefBase am: 3b8e60afa3 am: 7a96e33640 am: 20405515a2

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/19300534

Change-Id: If3148897b97c8d61b29ffde719dd8052be932859
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>