SlicesApp/res/drawable/ic_prev.xml

<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24">

    <path
        android:fillColor="#000000"
        android:pathData="M6 6h2v12H6zm3.5 6l8.5 6V6z" />
    <path
        android:pathData="M0 0h24v24H0z" />
</vector>