mat-radio-button animation - outer circle remains at the end of the animation

[kodwi]

Bug, feature request, or proposal:

Bug

What is the expected behavior?

The circle should disappear itself at the end of the animation.

What is the current behavior?

The animation of mat-radio-button doesn't complete correctly - the outer circle remains at the end of the animation and disappears only if I click somewhere.

What are the steps to reproduce?

The bug reproduces in all browsers.
Just check it out on the official guide example switching the radion buttons.
Link

What is the use-case or motivation for changing an existing behavior?

Unexpected behavior.

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

Angular Material 7.1.0

Is there anything else we should know?

[josephperrott]

This is working as intended as it is the focus indicator for the radio button.

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}