WorkerService fix rebinding

Change-Id: I59aebc83ca5a9fc5594ae9ece9d7553693e4f012
TCPMessenger: bail on ECONNREFUSED

Change-Id: I31fa34e0ff2417cece5dc3bd2fb35fb9b345411f
make notifications clickable and handle reentry

Change-Id: I1b72c63ce4f61055a886b29caadfdaeea6900e81
update todo

Change-Id: I45d70e8bb27488becae26600d33b3c4f8529227f