Update Main Switch widget.

- Update switch size
- Update title magrin right
- Use default text color
- Update switch margin right
- Support xml title attribute

Fix: 177967927
Fix: 177968636

Test: Run robotest and apply the widget in Settings and see the ui
Change-Id: I226abbffc1539cc31e64f4a3b3723c95b40e5780
13 files changed