Remove sudo usage from common directory

Remove sudo usage and adjust prompt sign as needed.

Change-Id: Id2476d3ea585a6b1e4d205588fd23553eb28a794
Remove sudo usage from config reference

Remove sudo usage and adjust prompts as needed.

Change-Id: Ia1df06230203f7c8393b7f369c3dc396d8143799
Merge "Remove sudo usage from common directory"
Merge "Remove sudo usage from config reference"