SchildiChat-android/vector/src/main/res/drawable/ic_attachment.xml

<vector android:autoMirrored="true" android:height="24dp"
    android:viewportHeight="24" android:viewportWidth="24"
    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
    <path android:fillColor="#ffffff"
        android:pathData="M21,12C21,16.9706 16.9706,21 12,21C7.0294,21 3,16.9706 3,12C3,7.0294 7.0294,3 12,3C16.9706,3 21,7.0294 21,12ZM8,10C6.8954,10 6,10.8954 6,12C6,13.1046 6.8954,14 8,14H10V16C10,17.1046 10.8954,18 12,18C13.1046,18 14,17.1046 14,16V14H16C17.1046,14 18,13.1046 18,12C18,10.8954 17.1046,10 16,10H14V8C14,6.8954 13.1046,6 12,6C10.8954,6 10,6.8954 10,8V10H8Z"
        android:strokeColor="#ffffff" android:strokeWidth="2"/>
</vector>