Merge "Update javadocs for ConnectivityDiagnosticsManager." am: 5b6967bc01 am: b14259e0bd am: cffbf59942

Change-Id: Icd75afae770c93ac6fdb611e220d8723c07771ac
tree: b59f70cbdba63c3c5d7479ff9c4816e10d4119cf
  1. core/
  2. services/
  3. tests/