fedilab-Android-App/app/src/main/res/drawable/dr_reblogs.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:id="@+id/half_overlay"
        android:drawable="@drawable/ic_retweet"
        android:width="20dp"
        android:height="15dp"
        />
</layer-list>