title: Bring the Android app to foreground after recieving a notification push like the application launcher
body: <p>In my case, I receive a notification message and open an Activity say 'X'. After closing it I want to bring my application again to foreground like the behavior of the Application launcher.</p>
  
  <p>In more details I want to see if my app in the background, bring it to foreground. If not, restart it.
  Any suggestions, please? </p>