md-spinner memory leaks

[IshIvan]

Bug, feature request, or proposal:

bug

What is the expected behavior?

Strange memory usage or big memory cicrle

What is the current behavior?

In chrome profile on 60 seconds mdSpinner used memory increased since 26 mb to 37 mb.

Without:

With:

What are the steps to reproduce?

Insert md-spinner on your html code and start profiling chrome.

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

Optimize apps

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

material.10
cdk.10
angular 4.3.6
win 10
chrome 60

Is there anything else we should know?

Others feature is the same.

[crisbeto]

The spinner will be changed to a CSS-based animation. See #6551.

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