Fix transitions in the background when launching something in TaskView

* Allow bounds to be set on launch params for multiwindow activities
* Users of TaskView should pass bounds when starting an activity
  otherwise they will see this animation
* Modify bubbles & controls to pass launch bounds

Test: atest TaskLaunchParamsModifierTests LaunchParamsControllerTests
MultiWindowTests
Bug: 182299605
Bug: 182516248
Change-Id: Ie5337593d776309f8aac0c6991cf846463e519a7