navigation/drawable-anydpi-v21/ic_subdirectory_arrow_left_black_24dp.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M11,9l1.42,1.42L8.83,14H18V4h2v12H8.83l3.59,3.58L11,21l-6,-6 6,-6z"/>
</vector>