feat(CDK Progress bar & spinner): Progress bar & spinner built-in options for displaying percentages and striped designs

[alihamzatanveer565]

Feature Description

similar to other UI frameworks & Libraries, the progress bar & spinner should include built-in options for displaying percentages and striped designs.

Example from Vuetify:

Example from PrimeNg:

Use Case

I'm implementing file upload functionality and need to show a progress bar with percentages. But there is no built-in option therefore making a custom progress bar. So in the future, these should be included.

[crisbeto]

This isn't supported in the Material Design spec so that's why we don't support it either.

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