Some possible workarounds for bugs in android studio/dev tools
admin cmd:
net stop winnat
adb.exe start-server
net start winnat
add to ~/.local/android/avd//config.ini
hw.audioInput=no
hw.audioOutput=no
add export ANDROID_EMULATOR_USE_SYSTEM_LIBS=1
to android-studio studio.sh
to force system lib usage in AVD
sudo apt install qemu-kvm sudo adduser kvm <reboot(logout?)>