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: 3f0e9f7c am: 9427c1e0

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

Change-Id: Iebfddbca96163d3113cb31c85552d52420da6b69