Merge "Add unit tests for NearbyMetrics." into tm-dev am: 26b449b432 am: 5e1eb62732

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Nearby/+/16981201

Change-Id: I8a81c5b36c1db829ac84e70c0b894d1c1bb1d9f5
tree: a74d974ae9de1eb40914c5ab4d5569db45a125d8
  1. nearby/