Merge "wifi(vts): Use blocking getService to wait for service to come up" into rvc-dev am: 5afe29b247 am: 8a3f8fcb4c am: 313776f448

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/12204704

Change-Id: I74304c5cf0d59da90328727f9be45254df6d5b1b