Check if AIDL service is declared before calling wait am: 781b4ff19e am: c65e1ef8e4 am: 0e17ea32cf

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2138032

Change-Id: I7d7531ed6fa3f547bd0f4ff2071d6949ac6fe344
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>