tachiyomi/app/src/main/res/drawable/ic_bookmark_24dp.xml

<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="@android:color/black"
        android:pathData="M17,3H7c-1.1,0 -1.99,0.9 -1.99,2L5,21l7,-3 7,3V5c0,-1.1 -0.9,-2 -2,-2z" />
</vector>