Moving the scrim to draglayer

> This causes the scrim to animate with the content on first launch
> Also removing the logic to disable scrim based on state. That
logic was only executing onResume which could lead to an invalid state

Bug: 30972956
Bug: 30576826

Change-Id: Ia8386b303ce260f69e3b3b93041226f409301a01
7 files changed