build: enable public API verification on the MDC slider (#23053)
build: enable public API verification on the MDC slider (#23053)

We had disabled the public API check on the MDC slider while it was being rewritten, but now it can be re-enabled.
angular/components,mmalerba/material2,josephperrott/material2,mmalerba/material2,josephperrott/material2,angular/components,josephperrott/material2,mmalerba/material2,angular/components,josephperrott/material2,angular/components,mmalerba/material2,mmalerba/material2,crisbeto/material2,crisbeto/material2,crisbeto/material2,crisbeto/material2,josephperrott/material2