[automerger skipped] Merge "Add CTS tests for ConnectivityDiagnostics callbacks." into rvc-dev am: ed86e4622d -s ours

am skip reason: Change-Id I748229d41c16adf1561e03aa597d5aac00f12912 with SHA-1 214a8ea198 is in history

Change-Id: I3dfa94942def03f7a9cd081a8f0b31fdb9ac97c5
tree: 7bff4e8a02b8cdbeb6eef163f8bfee161a0b8ac9
  1. tests/