Resetting the state when targets are set and the interaction ends

When the magnetic targets are set, there is a slight chance that a
dragged notification is dismissed by a very fast fling. In such a case,
we need to make sure that the state resets when the magnetic interaction
ends.

Test: MagneticRowManagerImplTest
Flag: com.android.systemui.magnetic_notification_swipes
Bug: 390179908
Change-Id: If2b36db309169619ebf53b5e0668343f553c0ecf