Merge "wifi(vts): Use blocking getService to wait for service to come up" into...

Merge "wifi(vts): Use blocking getService to wait for service to come up" into rvc-dev am: 5afe29b2 am: 1bf88e14 am: fbefe777 am: 044e6555

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

Change-Id: Id047ea3e9f8bd480e15ce14a8fb22a95cdbd0fcf