Fixing touches getting ignored just after swipe-up

Moving the input proxy logic outside the recents controller, so that it
is not lied to the controller lifecycle.

> Fixing input consumer not getting registered if recentsController
  was not received until ACTION_UP
> Fixing input events being ignored after finishing recentsAnimation,
  but before handler is invalidated

Bug: 161750900
Change-Id: Ib06617caef77f18a71c5a231e781291c3a4ee57e
(cherry picked from commit ff4b1427)