I want a share icon in the action bar, upon pressing, a chooser shows up. I have most of this in place, but this unwelcome middle-man steps in...
The menu:
But I'm really not interested in engaging his services.
But you asked for "his services", as you're the one who called createChooser() and decided to use that as your share Intent.
createChooser()
Intent
Get rid of that, returning your ACTION_SEND Intent directly, and "Android System" should go away.
ACTION_SEND