fe5078f026
When entering content-pip - We take a snapshot for the host task within the ActivityStarter#startActivityInner function, this is to make sure that the snapshot is taken before an app switches to the placeholder content - We retrieve the snapshot in WM Shell when animating the newly created content-pip task, and use that snapshot during the animation - This works similar to the solid color content overlay when app enters PiP without specifying a valid source rect hint. Therefore, we abstract the functionality to a dedicated PipContentOverlay class Video: http://recall/-/aaaaaabFQoRHlzixHdtY/dRSTf7prHc0krPhTKZ0kXx Bug: 220191201 Test: enter content-pip from ApiDemos app, see also Video Change-Id: I2420402341a910b44bd8f64e3ad518ebef41bc19