Displaying a summary below the grid in a new Row (Not in the status bar)

The following example shows the use of aligned grids to display a pinned row at the bottom which tells the user the grid is "Displaying rows x to y out of z".

https://plnkr.co/edit/L24FYt9xssyGdIF3G6pR?p=preview

AG‌-2876 Inconsistent count of records shown in the status bar after filtering