Implement resizeable frame for widgets

The frame allows widgets to be resized vertically, and is designed for
use inside of a LazyGrid. We use anchoredDraggable for the resize, and
snap to the specified span sizes.

Bug: 368056517
Test: atest ResizeableItemFrameViewModelTest
Test: screenshot tests for UI
Test: manually on device
Flag: EXEMPT composable is not yet used anywhere
Change-Id: I9ed2e2bb37a8afa79e305f5d27259a91e5716ba1