add android stuff

js/config-react-native-webrtc/src/config-react-native-webrtc.ts

···
       .build()
     options.audioDeviceModule = JavaAudioDeviceModule.builder(this)
       .setAudioAttributes(audioAttributes)
+      .setUseStereoInput(true)
+      .setUseStereoOutput(true)
       .createAudioDeviceModule()
 `,
   },
···
     let options = WebRTCModuleOptions.sharedInstance()
     options.loggingSeverity = .warning
     options.audioDevice = device
+    // Enable stereo audio
+    options.enableStereoOutput = true
     // End WebRTC Configuration
     
     let delegate = ReactNativeDelegate()