Android 11 - audio not recording when app is minimized

[edvenkat]

@erisu @infil00p @jukka @shazron @mwoghiren @clelland

I have tested the this plugin. it is working fine below android 10 version but not working in above android 10.
I want to record the phone call and save it into my server and we don't have background permission in android 11.

I have searched in google I found below url. can you please help?

https://stackoverflow.com/questions/64306994/access-microphone-camera-in-background-in-android-11