so that the animation is reset when we start a state animation from
launcher
Bug: 74975768
Bug: 75290288
Change-Id: If7f71f087d7bb64fb25c085c476a6fcbc86518e2
Intead of finishing the entire animation (launcher animation and
window animation), we finish just the launcher animation.
Bug: 73071035
Change-Id: Ied84cb641f3cedc367433ad99d21ab1b258ae7f8