google-material-design-icons/android/communication/comment/materialiconsoutlined/black/res/drawable/outline_comment_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"
    android:autoMirrored="true">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M21.99,4c0,-1.1 -0.89,-2 -1.99,-2L4,2c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h14l4,4 -0.01,-18zM20,4v13.17L18.83,16L4,16L4,4h16zM6,12h12v2L6,14zM6,9h12v2L6,11zM6,6h12v2L6,8z"/>
</vector>