Development settings: Move hostname under ADB over network

Change-Id: If45283d9b618d646777c73ca80f4ee33d74504c2
Re-add system settings fragment direct link.

Used by expanded desktop QS tile.

Change-Id: I486bee5d5ae2dd9723cf698f2e8cc4e62be071b3
Merge "Re-add system settings fragment direct link." into cm-11.0
Merge "Development settings: Move hostname under ADB over network" into cm-11.0