Merge "Add test for GattConnectionManager." into tm-dev am: ea78cf3933

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Nearby/+/16947950

Change-Id: I07c4e1097027a78e91245b406459650b98cd8b77
tree: 42a264b9766ff50926829ba2c4a35be228312d4e
  1. nearby/