md-card-actions align property not known when binding

[eginwong]

Bug, feature request, or proposal:

Bug

What is the expected behavior?

the align property from md-card-actions should be bindable.

What is the current behavior?

console is throwing error, cannot use variable to assign value to align property.

What are the steps to reproduce?

https://plnkr.co/edit/qnEsY21BVoL2WCOFrTTu?p=preview

What is the use-case or motivation for changing an existing behavior?

Not working as expected.

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

Angular 4.0.0, Material 2.0.0-beta.7, MACOSX, TypeScript 2.3.3

Is there anything else we should know?

[angular-automatic-lock-bot]

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