packages/SystemUI/res/layout/global_actions_grid_v2.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/global_actions_container"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

  <androidx.constraintlayout.widget.ConstraintLayout
      android:id="@+id/global_actions_grid_root"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:clipChildren="false"
      android:clipToPadding="false"
      android:paddingBottom="@dimen/global_actions_grid_container_shadow_offset"
      android:layout_marginBottom="@dimen/global_actions_grid_container_negative_shadow_offset">

    <com.android.systemui.globalactions.GlobalActionsFlatLayout
        android:id="@id/global_actions_view"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:theme="@style/qs_theme"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        android:gravity="top | center_horizontal"
        android:clipChildren="false"
        android:clipToPadding="false"
        android:layout_marginTop="@dimen/global_actions_top_margin">
      <LinearLayout
          android:id="@android:id/list"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_marginLeft="@dimen/global_actions_grid_side_margin"
          android:layout_marginRight="@dimen/global_actions_grid_side_margin"
          android:paddingLeft="@dimen/global_actions_grid_horizontal_padding"
          android:paddingRight="@dimen/global_actions_grid_horizontal_padding"
          android:paddingTop="@dimen/global_actions_grid_vertical_padding"
          android:paddingBottom="@dimen/global_actions_grid_vertical_padding"
          android:orientation="horizontal"
          android:gravity="left"
          android:translationZ="@dimen/global_actions_translate" />
    </com.android.systemui.globalactions.GlobalActionsFlatLayout>

    <LinearLayout
        android:id="@+id/global_actions_panel"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/global_actions_view">

      <FrameLayout
          android:id="@+id/global_actions_panel_container"
          android:layout_width="match_parent"
          android:layout_height="wrap_content" />
    </LinearLayout>

    <LinearLayout
        android:id="@+id/global_actions_controls"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:layout_marginRight="@dimen/global_actions_grid_horizontal_padding"
        android:layout_marginLeft="@dimen/global_actions_grid_horizontal_padding"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/global_actions_panel"
        app:layout_constraintBottom_toBottomOf="parent" />
  </androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>