Adding AIDL Service fuzzer for update engine service am: daa52652c6

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2620465

Change-Id: I5633842e17f09c1106b0cdae9ccdec9383f9bd70
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>