Start fold animation only when the large screen is visible

Before, when there was a device state override, it was possible to trigger the fold animation on the smaller screen as well.

Now, the fold (closing) animation is triggered only when we're on the large display.

Bug: 268343352
Test: DeviceFoldStateProviderTest + manual test
Change-Id: Ib573b308edfb1954b36718722ffe1eafefa568ce