Add color option icon morphing animation (2/2)

Morph color pie icon from circle to rounded rect, and show or hide
stroke, based on whether it is selected.

Flag: com.android.systemui.shared.new_customization_picker_ui
Test: manually verified, see bug
Bug: 370977390
Bug: 350718581
Change-Id: Ie104f719e62a06d6da4cb39baa6b1199c3d9b484