[iOS] Lifecycle of UIView

1. initWithCoder:

     layerClass

     setNeedsDisplay

     addConstraints:

          addConstraint: (can happen multiple times)

2. willMoveToSuperview:

3. invalidateIntrinsicContentSize

4. didMoveToSuperview

5. awakeFromNib

6. willMoveToWindow:

7. needsUpdateConstraints

8. didMoveToWindow

9. setNeedsLayout

10. updateConstraints

      intrinsicContentSize

11. layoutSubviews (can happen multiple times)

12. drawRect: