Incoming call ui is not getting removed on accepting the call on mi devices(Android 11)

Bug report

• I am using react-native-callkeep for displaying incoming call ui on receiving of firebase notification. We are able to display the ui.But on pressing accept button i am unable to hide the incoming call screen on some android 11 devices.

• Reproduced on:

• Android

Description

We are able to display the ui.But on pressing accept button i am unable to hide the incoming call screen on some android 11 devices.

Steps to Reproduce

`bgMessaging = async (message, ...props) => {

RNCallKeep.setup(options);
RNCallKeep.addEventListener('answerCall', async ({ callUUID }) => {
  RNCallKeep.endAllCalls();
});
RNCallKeep.displayIncomingCall("uuid", "Display", "Display", "number");

}
return Promise.resolve();
}
AppRegistry.registerHeadlessTask('RNFirebaseBackgroundMessage', () => bgMessaging);`

Versions

- Callkeep:^4.2.0
- React Native:0.63.4
- Android: 11
- Phone model: Redmi note 9 

Logs

Paste here

Start by reproducing the reported flow from the issue's Firebase background-message snippet on a Redmi Note 9 running Android 11, focusing on the answerCall handler and RNCallKeep.endAllCalls(). No source file or test is named; done means the incoming-call UI is removed after accepting the call on the affected device.