Add Pie Control styles, (2/2):

- Add Custom Carrier Label for Pie Controls
- Add customizeable snap clor
- Add customizeable overlay color
- Add customizeable text color
- Add customizeable button background color
- Add customizeable button background selected color
- Add customizeable button background long pressed color
- Add customizeable button outline color
- Add customizeable button icon color

Change-Id: Ic0412f76e69a4ed246e10c17324bf2dd0f8bf324