[Guidelines/Android - menus] - Some example images are not showing

[enricocid]

Bug Some example images are not showing properly in material.io website.

To Reproduce

1. Go to dropdown-menus

2. Scroll down to Context menus

3. Go to dropdown-menus

4. Scroll down to Adding icons on popup menus

Screenshots

Sorry if this is the wrong place to post this kind of issues :)