Merge changes from topic "presubmit-am-65ea84478c734095926dac7f99fad577"

* changes:
  [automerge] Add unit tests for NearbyMetrics. 2p: 9a4b4ad72d 2p: d1ce3f4869
  [automerge] Add unit tests for NearbyMetrics. 2p: 9a4b4ad72d
  Add unit tests for NearbyMetrics.
tree: 3fe7d16065eb6d2bce08fccc2f1ae5bc332fcf2a
  1. nearby/