Fix touch fails after drag and drop

The drag surface would reparent to null in the end of drag & drop.
But the deatched layer didn't dirty the input cause InputFlinger
would not receive the latest input windows.

- Dirty input when remove layer from current state.

Bug: 151171041
Test: atest DragDropTest CrossAppDragAndDropTests
Change-Id: I3cf9b063801260f276eb20b3aa474b4b3e692cfb