Use CanvasView for clock

[kylecorry31]

The clock should be updated to use the CanvasView class and the background of the dial should be drawn by the clock view instead of a separate view.

[muryno]

@kylecorry31 you mean for both digital and analog?

[kylecorry31]

No, just the analog clock

[muryno]

In that case, then the background image can be safely deleted, analog already has it background. and we can use the system color for the digital text

[kylecorry31]

Yes that is a piece of this issue. The other is to use the CanvasView base class like other custom drawn views. I added the help-wanted tag because it seemed you may be interested in picking that up, if that is not the case let me know and I can remove that label.

[muryno]

I can pick this up