app/src/main/res/drawable/vivaldi.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="192dp"
    android:height="192dp"
    android:viewportWidth="192"
    android:viewportHeight="192">
  <path
      android:pathData="M167.322,57.818C149.043,89.218 130.764,120.617 112.485,152.081C109.102,157.948 104.159,161.43 97.394,161.946C89.848,162.461 83.863,159.302 80.025,152.855C68.446,133.19 56.997,113.396 45.549,93.666C38.588,81.674 31.563,69.682 24.603,57.625C17.577,45.504 25.513,30.739 39.564,30.03C46.98,29.643 52.704,33.06 56.477,39.443C61.616,48.147 66.69,56.98 71.829,65.749C75.537,72.067 79.114,78.45 82.887,84.64C88.352,93.731 96.418,98.825 107.151,99.469C122.308,100.372 136.423,89.476 138.245,73.55C138.375,72.39 138.44,71.165 138.505,70.584C138.439,65.426 137.465,61.042 135.383,56.98C129.724,45.762 135.773,33.189 148.068,30.481C158.085,28.289 168.493,35.574 169.794,45.633C170.445,49.952 169.534,54.014 167.322,57.818Z"
      android:strokeWidth="12"
      android:fillColor="#00000000"
      android:strokeColor="#000000"/>
</vector>