google-material-design-icons/android/home/shelves/materialicons/black/res/drawable/baseline_shelves_20.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="20dp"
    android:height="20dp"
    android:viewportWidth="20"
    android:viewportHeight="20"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M15.5,1v1.5h-11V1H3v18h1.5v-1.5h11V19H17V1H15.5zM15.5,4v5.25H11v-3.5H6v3.5H4.5V4H15.5zM14,16v-3.5H9V16H4.5v-5.25h11V16H14z"/>
</vector>