google-material-design-icons/android/hardware/start/materialiconsround/black/res/drawable/round_start_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="M15.29,17.29c0.39,0.39 1.02,0.39 1.41,0l4.59,-4.59c0.39,-0.39 0.39,-1.02 0,-1.41L16.7,6.7c-0.39,-0.39 -1.02,-0.39 -1.41,0c-0.38,0.39 -0.39,1.03 0,1.42L18.17,11H7c-0.55,0 -1,0.45 -1,1s0.45,1 1,1h11.17l-2.88,2.88C14.9,16.27 14.9,16.9 15.29,17.29zM3,18c0.55,0 1,-0.45 1,-1V7c0,-0.55 -0.45,-1 -1,-1S2,6.45 2,7v10C2,17.55 2.45,18 3,18z"/>
</vector>