Use new audio device module in alpha and beta

ts/calling/audioDeviceModule.ts

@@ -0,0 +1,14 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { makeEnumParser } from '../util/enum';
+
+export enum AudioDeviceModule {
+  Default = 'Default',
+  WindowsAdm2 = 'WindowsAdm2',
+}
+
+export const parseAudioDeviceModule = makeEnumParser(
+  AudioDeviceModule,
+  AudioDeviceModule.Default
+);