Introduce internal PaintMethod since there more derived paint classes are coming.
This PaintMethod is a sort of Strategy Pattern method.
Change-Id: I29c49f5d4ddbfb9e429d4976636b20b39914ee20
1. removed async option which doesn't work currently,
rather than it, we can add async option in initiailizer class.
2. removed update() method.
Instead, we can call update(paint = nullptr); which has exactly same behavior.
Change-Id: I7909a50d804b97baf413a2ff6365a3cf79a3689e
transform interfaces are getting duplicated in derived classes.
we moved to the super for smaller apis count.
Applied strategy pattern to hide the inheritance.
Change-Id: I7b0c3ff9317e9bf3c97bb0c849bf55e79ee9a591