Signal-Android/app/src/main/res/menu/conversation_callable_secure.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto">

    <item android:title="@string/conversation_callable_secure__menu_video"
          android:id="@+id/menu_video_secure"
          android:icon="@drawable/ic_video_solid_24"
          app:showAsAction="always" />

    <item android:title="@string/conversation_callable_secure__menu_call"
          android:id="@+id/menu_call_secure"
          android:icon="@drawable/ic_phone_right_solid_24"
          app:showAsAction="always" />

</menu>