Merge "Use CompletableFuture instead of a latch." into rvc-dev am: 303e9bdddf am: 40cb9442db am: 67516cf431

Change-Id: I46f87c5e032d8d34e2804928a42e500140ccd2bc
tree: e9148eaa20b821a995e605f15ecb8841ac9a5541
  1. Tethering/