google-material-design-icons/android/content/mail/materialicons/black/res/drawable/baseline_mail_20.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="20dp"
    android:height="20dp"
    android:viewportWidth="20"
    android:viewportHeight="20"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M19,15L19,5c0,-1.1 -0.9,-2 -2,-2L3,3c-1.1,0 -2,0.9 -2,2v10c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2zM17,7l-7,4 -7,-4L3,5l7,4 7,-4v2z"/>
</vector>