JAWS not reading states of Toolbar buttons in 4.0

[Satya Minnekanti]

To reproduce the defect:

1. with JAWS, open any CK Editor sample, navigate to editor body.

2. Press Alt + F10 to navigate to toolbar.

3. Navigate to Undo/Redo buttons.

Expected Result: JAWS should read the button name & then say unavailable for ex: undo button available

Actual Result: JAWS just reading button name & no info that the button is unavailable

4. Navigate to Align Left or Text direction from Left to Right button.

Expected Result: JAWS should read the button name & then say toggle button pressed for ex: Align Left toggle button pressed

Actual Result: JAWS just reading button name & no info that the button is pressed

This is only happening on 4.0 & not on 3.6.x builds.

Verified with both JAWS 13 & 14.

[Frederico Caldeira Knabben]

DUP of #9368.