SAP: Update UI connection and notifications properly

Update connection state to upper layers only when SAP SLC is connected
i.e. status indication is sent to SAP Client.
Also notification to disconnect SAP Server from UI is shown only when SAP
is successfully connected, and not when SapServer object is created.

Change-Id: Iaf40584220b51f6193bed9a54d159cffd32698e9
2 files changed