This was causing the focused task shift to be calculated incorrectly, which was resulting in the focused task being shifted too far to the left.
Bug: 330342294
Fix: 371490320
Flag: com.android.launcher3.enable_large_desktop_windowing_tile
Test: Manual. Open 1 DesktopTask, 1 FocusedTask, 2 other tasks in the grid. Dismiss the focused task. The rebalance should work keeping the new focused task next to desktop task.
Change-Id: If6f95814942c2cbadc30a0082649569f21dea60a