app/src/main/res/drawable/schedule_send.xml
<vector android:autoMirrored="true" android:height="24dp"
android:tint="#000000" android:viewportHeight="24"
android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="@android:color/white" android:pathData="M16.5,12.5L15,12.5v4l3,2 0.75,-1.23 -2.25,-1.52L16.5,12.5zM16,9L2,3v7l9,2 -9,2v7l7.27,-3.11C10.09,20.83 12.79,23 16,23c3.86,0 7,-3.14 7,-7s-3.14,-7 -7,-7zM16,21c-2.75,0 -4.98,-2.22 -5,-4.97v-0.07c0.02,-2.74 2.25,-4.97 5,-4.97 2.76,0 5,2.24 5,5S18.76,21 16,21z"/>
</vector>