Render bubble dot with launcher

This change
- Replaces BadgeRenderer with Launcher's DotRenderer
- Updates flyout animation math that depends on dot size and location

Bug: 129158983
Test: manual (flyout creation, transformation into dot looks good on left and right edge)
Test: atest SystemUITests
Change-Id: I814b56d18a19b172278a0dcce364247692574eed