Steps to reproduce (assumes ChromeVox or similar)

1. Open https://elastic.github.io/eui/#/display/tables in a new tab.
2. Tab to the table under the "Adding actions to BasicTable" heading.
3. Tab to the "Multiple Actions" toggle input shown in the picture

Actual Result

"Checkbox Not Checked"

Expected Result

"Multiple Actions. Checkbox not Checked"

Category: #688: Elastic UI Tables Accessibility
Relevant WCAG Criteria: 3.3.2 Labels or Instructions