This replaces PendingAppWidgetHostView with configured widget view when
OPTION_APPWIDGET_RESTORE_COMPLETED is set to True by a widget provider.
Bug: 63667276
Test: Manual
Change-Id: Ide21f5e9a7dac7e3d6a745660a38ad0b951b47d3
> Changing the lifecycle to follow other static objects in Launcher
> Removing compat interface and inlining everything to helpers
Bug: 141376165
Change-Id: I82bd5db1969101de9a7eac77f32728d70195bb35