Merge "Return status to startScan() API" into tm-dev am: bff151d837 am: 23910aa4e9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Nearby/+/17213751

Change-Id: I9dac57b815c6ec3b1db3ac899960eb89531aa75a
tree: 48c2097cb8322402d27f294dfc605de8b9ffc0ae
  1. nearby/