class MainActivity : AppCompatActivity() {

    private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Main.immediate)

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        println(1)
        Choreographer.getInstance().postFrameCallback { first -> // This was the first callback set
            println(4)
            Choreographer.getInstance().postFrameCallback { second ->
                println(7)
            }
        }

        scope.launch {
            println(2)
            awaitFrame() // Expect this to be the second callback set
            println(5)
        }

        println(3)
        Choreographer.getInstance().postFrameCallback { first -> // This is the third callback set
            println(6)
            Choreographer.getInstance().postFrameCallback { second ->
                println(8)
            }
        }
    }
}

I/System.out: 1
I/System.out: 2
I/System.out: 3
I/System.out: 4
I/System.out: 6
I/System.out: 7
I/System.out: 8
I/System.out: 5