Properly animate second page collapse

When the second page of QS is collapsing into QQS, we don't want the QQS
tiles flying from out of the screen. Instead, fade them in and translate
them up from the anchored position.

Test: manual
Bug: 353254353
Flag: com.android.systemui.qs_ui_refactor_compose_fragment
Change-Id: I55c0edf29ebbeb35ddbced53f2966ac90ecf3171