fix(tabs): incorrect ripple color for tabs with background (#8123)
fix(tabs): incorrect ripple color for tabs with background (#8123)

* Tabs with a background color need to set the ripple colors to be the contrast color. Otherwise the ripples might be too dark/or light, depending on the color palette that is being used.
willshowell/material2,andrewseguin/material2,jelbourn/material2,amcdnl/material2,emoralesb05/material2,DevVersion/material2,tinayuangao/material2,ppham27/material2,tinayuangao/material2,mmalerba/material2,ppham27/material2,angular/components,andrewseguin/material2,amcdnl/material2,josephperrott/material2,josephperrott/material2,ppham27/material2,josephperrott/material2,Jefiozie/material2,amcdnl/material2,Jefiozie/material2,emoralesb05/material2,emoralesb05/material2,crisbeto/material2,tinayuangao/material2,fairfaxmedia/material2,mmalerba/material2,Jefiozie/material2,angular/components,DevVersion/material2,willshowell/material2,fairfaxmedia/material2,angular/components,angular/components,ChronosWS/material2,willshowell/material2,amcdnl/material2,DevVersion/material2,josephperrott/material2,tinayuangao/material2,emoralesb05/material2,willshowell/material2,ppham27/material2,ppham27/material2,DevVersion/material2,Jefiozie/material2,crisbeto/material2,mmalerba/material2,crisbeto/material2,DevVersion/material2,Eddman/material2,amcdnl/material2,Eddman/material2,tinayuangao/material2,willshowell/material2,Eddman/material2,andrewseguin/material2,fairfaxmedia/material2,ChronosWS/material2,jelbourn/material2,andrewseguin/material2,ChronosWS/material2,fairfaxmedia/material2,jelbourn/material2,mmalerba/material2,Jefiozie/material2,fairfaxmedia/material2,jelbourn/material2,Eddman/material2,emoralesb05/material2,ChronosWS/material2,jelbourn/material2,andrewseguin/material2,crisbeto/material2,Eddman/material2,josephperrott/material2,mmalerba/material2