Floss: Fix task for socket connections.

When connecting to a socket, it will first emit the channel
as an int. Update task to read channel. Also emit
|SocketActions::OnOutgoingConnectionResult| at every failure
mode.

Bug: 259485364
Tag: #floss
Test: Manually
Change-Id: I4fb2f5133e968a49977bbf6d455397b10dcedf8f