Merge "Add test for GattConnectionManager." into tm-dev am: ea78cf3933 am: 9bf292e9ca

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

Change-Id: Ib66d224bbd691c642c937ec7cbf0684a59225001
tree: 98fe136d754a586934fe170f86a6b8dadac986f0
  1. nearby/