title: not receiving firebase notification from console
body: <p>i am not receiving notification after sending it through firebase console , i tried sending many notification but received one or two from around 20 notifications, i followed this guide <a href="https://github.com/firebase/quickstart-android/tree/master/messaging" rel="noreferrer">firebase messaging from github</a>
  ,why am i not receiving notification, my app is installed in one emulator and in one of my phone but when i receive notification which i have sent through notification panel i get them either on phone or emulator never got them on both.</p>
  
  <p>below is the screenshot of my console
  <a href="https://i.stack.imgur.com/0oyER.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/0oyER.jpg" alt="enter image description here"></a></p>