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: I76154164f58fcb63271567f838ce47d51b0a0bab
tree: a248b5675f67df1bb60b6fa1937a89269f9897c5
  1. nearby/