These handle those two operations for home screen when widget picker is
opened as a separate activity.
Bug: 408283627
Flag: com.android.launcher3.enable_widget_picker_refactor
Test: Not applicable.
Test: See demo in comments
Change-Id: I37f626b57610379a8af4e7a229406ed0656806c2
- Uses new picker behind a flag.
- Includes appropriate implementation of picker module based on whether compose is enabled.
Bug: 408283627
Flag: EXEMPT independent module
Test: Upcoming in follow up cls
Change-Id: I13e69379bc89c6d2e6909f9d11937997affc6a58