tooltip: does not work with md-menu-content and ng-repeat

Actual Behavior:

• What is the issue? *I have a md-content-menu with ng-repeat of items..and md-tooltip does not work.
• What is the expected behavior?md-tooltip to work.

CodePen (or steps to reproduce the issue): *

• CodePen Demo which shows your issue: http://codepen.io/deejay220989/pen/pNRezq
• Details: Take a look at the code, the first "Item 1" is not using ng-repeat and the tooltip is working fine, but the rest are using ng-repeat and tooltip does not show up. For some reason, the "MENU" button has tooltip..

Angular Versions: *

• Angular Version: 1.6.5
• Angular Material Version: 1.1.1

Additional Information:

• Browser Type: * Chrome
• Browser Version: * 54.0.2840.99 m
• OS: * Win 8
• Stack Traces:

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