google-material-design-icons/android/device/splitscreen/materialiconssharp/black/res/drawable/sharp_splitscreen_24.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M18,4v5H6V4H18M20,2H4v9h16V2zM18,15v5H6v-5H18M20,13H4v9h16V13z"/>
</vector>