packages/SystemUI/res-keyguard/drawable/bubble_hour_hand.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:height="350dp"
    android:width="350dp"
    android:viewportHeight="254.66145"
    android:viewportWidth="254.66145">
    <path
        android:fillColor="#000000"
        android:pathData="M127.331,40.481m-10.914,0a10.914,10.914 0,1 1,21.828 0a10.914,10.914 0,1 1,-21.828 0"/>
</vector>