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

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:height="200dp"
    android:width="200dp"
    android:viewportHeight="100"
    android:viewportWidth="100">
    <path
        android:fillColor="#000000"
        android:pathData="M50.082,14.199m-13.985,0a13.985,13.985 0,1 1,27.97 0a13.985,13.985 0,1 1,-27.97 0"/>
</vector>