First pass at Taskbar layout UI polish for SUW

Bug: 231906478
Change-Id: I5d55d1e33f928d4b8034c356565a0f9d8bc5c3fb

quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java

@@ -345,6 +345,11 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
             }
             return mStashedHeight;
         }
+
+        if (!mActivity.isUserSetupComplete()) {
+            // Special insets for SUW.
+            return mActivity.getResources().getDimensionPixelSize(R.dimen.taskbar_suw_insets);
+        }
         return mUnstashedHeight;
     }