Don't recalculate rippleRadius when its 0 (#14875)
Don't recalculate rippleRadius when its 0 (#14875)

* Don't recalculate rippleRadius when its 0

* Update checkbox.ts

* Delete _calculateRippleRadius instead.

* Update golden

* Update golden, again

* Re-add AfterViewChecked to checkbox.ts

* Update golden

jelbourn/material2,Jefiozie/material2,jelbourn/material2,crisbeto/material2,mmalerba/material2,DevVersion/material2,mmalerba/material2,Jefiozie/material2,josephperrott/material2,mmalerba/material2,angular/components,josephperrott/material2,DevVersion/material2,DevVersion/material2,andrewseguin/material2,jelbourn/material2,DevVersion/material2,andrewseguin/material2,crisbeto/material2,mmalerba/material2,angular/components,josephperrott/material2,angular/components,jelbourn/material2,crisbeto/material2,andrewseguin/material2,josephperrott/material2,josephperrott/material2,andrewseguin/material2,crisbeto/material2,angular/components,Jefiozie/material2,DevVersion/material2,jelbourn/material2,Jefiozie/material2,Jefiozie/material2,mmalerba/material2,andrewseguin/material2