mattermost-mobile-upstream/libraries/@mattermost/calls-native/android/src/main/AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="com.mattermost.callsnative">

    <!-- Required by the Mattermost Calls foreground service. Declared here
         so anyone consuming this library inherits them via manifest merge;
         duplicates in the host app's manifest are deduped by android:name. -->
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MICROPHONE" />
    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />

    <application>
        <!-- Keeps the microphone alive while a Mattermost call is in
             progress and the app is backgrounded. -->
        <service
            android:name="com.mattermost.callsnative.MMCallsForegroundService"
            android:foregroundServiceType="microphone"
            android:exported="false" />
    </application>
</manifest>