AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
        package="com.android.providers.media"
        android:sharedUserId="android.media"
        android:sharedUserLabel="@string/uid_label"
        android:versionCode="800">

    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
    <uses-permission android:name="android.permission.WRITE_SETTINGS" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_MEDIA_STORAGE" />
    <uses-permission android:name="android.permission.ACCESS_MTP" />
    <uses-permission android:name="android.permission.MANAGE_USERS" />
    <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />

    <application android:process="android.process.media"
                 android:label="@string/app_label"
                 android:icon="@mipmap/ic_launcher"
                 android:allowBackup="false"
                 android:supportsRtl="true">
        <provider android:name="MediaProvider" android:authorities="media"
                android:multiprocess="false" android:exported="true">
            <grant-uri-permission android:pathPrefix="/external/" />
            <path-permission
                    android:pathPrefix="/external/"
                    android:readPermission="android.permission.READ_EXTERNAL_STORAGE"
                    android:writePermission="android.permission.WRITE_EXTERNAL_STORAGE" />
        </provider>

        <provider
            android:name="MediaDocumentsProvider"
            android:label="@string/storage_description"
            android:authorities="com.android.providers.media.documents"
            android:grantUriPermissions="true"
            android:exported="true"
            android:permission="android.permission.MANAGE_DOCUMENTS">
            <intent-filter>
                <action android:name="android.content.action.DOCUMENTS_PROVIDER" />
            </intent-filter>
        </provider>

        <!-- Handles database upgrades after OTAs, then disables itself -->
        <receiver android:name="MediaUpgradeReceiver">
            <!-- This broadcast is sent after the core system has finished
                 booting, before the home app is launched or BOOT_COMPLETED
                 is sent. -->
            <intent-filter>
                <action android:name="android.intent.action.PRE_BOOT_COMPLETED"/>
            </intent-filter>
        </receiver>

        <receiver android:name="MediaScannerReceiver">
            <intent-filter>
                <action android:name="android.intent.action.BOOT_COMPLETED" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.MEDIA_MOUNTED" />
                <data android:scheme="file" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.MEDIA_UNMOUNTED" />
                <data android:scheme="file" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.MEDIA_SCANNER_SCAN_FILE" />
                <data android:scheme="file" />
            </intent-filter>
        </receiver>

        <service android:name="MediaScannerService" android:exported="true">
            <intent-filter>
                <action android:name="android.media.IMediaScannerService" />
            </intent-filter>
        </service>

        <receiver android:name=".MtpReceiver"
                  androidprv:systemUserOnly="true">
            <intent-filter>
                <action android:name="android.intent.action.BOOT_COMPLETED" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.hardware.usb.action.USB_STATE" />
            </intent-filter>
        </receiver>

        <service android:name="MtpService"
                 androidprv:systemUserOnly="true"/>

        <activity android:name="RingtonePickerActivity"
                android:theme="@style/PickerDialogTheme"
                android:enabled="@*android:bool/config_defaultRingtonePickerEnabled"
                android:excludeFromRecents="true">
            <intent-filter>
                <action android:name="android.intent.action.RINGTONE_PICKER" />
                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>

    </application>
</manifest>