Large Material module size in bundle

[hemantjadon]

Bug, feature request, or proposal:

Bug Report / Question

What is the expected behavior?

The build bundle should only contain the imported modules, not the complete Angular Material

What is the current behavior?

The build bundle contains the whole package even if only there is one module imported from angular material.

What i imported in the chunk is

import { MdTooltipModule } from '@angular/material';

imports: [
   MdTooltipModule
]

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

Angular : v4.0.0
Material : v2.0.0-beta3

Is there anything else we should know?

No

[ErikWegner]

Same issue here: #6210

[ErikWegner]

Same issue here: #4137

[jelbourn]

This is tracked on #4137

[jelbourn]

Duplicate of #4137

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