Aria-required-parent and aria-valid-attribute-values are not present

Issue: Aria-required-parent and aria-valid-attribute-values are not present

Repro steps:

1. Open UI Grid: 401 All Features (ui-grid.info) CodePen.
2. Scroll down to the demo section
3. Click on the hamburger icon in top right corner table to show the options
4. Inspect using F12
5. Observe the controls does not have Aria-required-parent and aria-valid-attribute-values.

Actual Result:

Aria-required-parent and aria-valid-attribute-values are not present

Expected Result:

Aria-required-parent and aria-valid-attribute-values should present

Notes:

Issue is reproducible in all the controls displayed under 'Rows'

Screenshot: