UI polish for affordance reenablement dialog.

Does this by using the "fancy dialog" logic in the counterpart CL.

Bug: 265836232
Test: manually tested the affordance reenablement dialog which is what's
shown when the affordance is disabled
Test: unit tests for the undo system still pass

Change-Id: Ic8c18acacba3799f114eba24537865f9e275347f