Reflecting Overview redesign in tests

1. The task in the middle is not tallest anymore
2. There is no card for the workspace

Bug: 72967764
Test: atest google/perf/app-transition/app-transition-from-recents-trace
atest google/perf/jank/SystemUI/UbSystemUIJankTests:android.platform.systemui.tests.jank.SystemUiJankTests#testRecentAppsDismiss

Change-Id: I7f361f4aa4be2e5164d8c227aa00cd33356c4d52