title: Show android notification action buttons expanded by default
body: <p>Is there a way to show action buttons in notification expanded by default?
  I use ongoing notification to control traning process in my app. I want controling buttons such as "Stop" and "Pause" to be visible right after notification appeared in the notification area.</p>
  
  <p><a href="https://i.stack.imgur.com/gr6HH.png" rel="noreferrer"><img src="https://i.stack.imgur.com/gr6HH.png" alt="Collapsed buttons by default"></a></p>
  
  <p><a href="https://i.stack.imgur.com/EE5va.png" rel="noreferrer"><img src="https://i.stack.imgur.com/EE5va.png" alt="Want the buttons to be expanded"></a></p>