Snackbar immediately closes if duration is above 1e+21

[bagage]

Reproduction

Use StackBlitz to reproduce your issue: https://stackblitz.com/fork/components-issue

Steps to reproduce:

1. Open https://stackblitz.com/angular/jrnynrjaqdo
2. Display a snackbar with duration durationInSeconds = 1e+21; or Number.MAX_VALUE
3. Launch the snackbar

Expected Behavior

What behavior were you expecting to see?

The snackbar should be displayed for a (very) long time.

Actual Behavior

What behavior did you actually see?

Snackbar automatically closes itself after ~300ms.

It seems snackbar doesn't handle numbers with e format starting at e+21, eg it supports 1+e10 but not 1+e21 or above.

Environment

• Angular: 8.2.8
• CDK/Material: 8.2.1
• Browser(s): chrome
• Operating System (e.g. Windows, macOS, Ubuntu): ubuntu

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