Accessibility - <md-list-item> should respect aria-hidden attr on children elements

[manish2535]

Actual Behavior:

• What is the issue? * should respect aria-hidden attr on children elements
• What is the expected behavior? should respect aria-hidden attr on children elements and not include those as part of the string in the aria-label that gets added to the on render

CodePen (or steps to reproduce the issue): *

• CodePen Demo which shows your issue: http://codepen.io/anon/pen/ozRzmA
• Details: If you look at the button that gets generated in the in the debugger, you will find "TEst test test Should not be included in the aria-label" in the aria-label attr.

Angular Versions: *

• Angular Version: ALL
• Angular Material Version: 1.1.1

Additional Information:

• Browser Type: * All
• Browser Version: *
• OS: *
• Stack Traces:

---

Shortcut to create a new CodePen Demo.
Note: * indicates required information. Without this information, your issue may be auto-closed.

Do not modify the titles or questions. Simply add your responses to the ends of the questions.
Add more lines if needed.