google-material-design-icons/android/notification/power/materialiconsoutlined/black/res/drawable/outline_power_24.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M16,9v4.66l-3.5,3.51V19h-1v-1.83L8,13.65V9h8m0,-6h-2v4h-4V3H8v4h-0.01C6.9,6.99 6,7.89 6,8.98v5.52L9.5,18v3h5v-3l3.5,-3.51V9c0,-1.1 -0.9,-2 -2,-2V3z"/>
</vector>