Use AnimLib launches for the UMO over the lockscreen (Flexiglass).

Note that there is a flicker, but it also happens when not on the
lockscreen (without this patch), so that seems like an unrelated issue.

Bug: 346865769
Flag: com.android.systemui.scene_container
Test: atest MediaControlInteractorTest
Change-Id: If507afc3fbe3429eca459aef7c6fd9b570fb5de8