Android 10.0 drop-down notification bar notification list to add notification header

In the customized development, the SystemUI notification bar ui is customized, and the layout of the notification bar can be seen in status_bar_expanded.xml in the expanded layout of the status bar

<com.android.systemui.statusbar.phone.NotificationPanelView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:systemui="http://schemas.android.com/apk/res-auto"
    android:id="@+id/notification_panel"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/