While an argument to re-integrate JavaFX floats in an OpenJDK discussion list, Oracle ponders providing better access to JavaFX from the JDK.
saifur@saifurr:~$ adb devices daemon not running; starting now at tcp:5037 daemon started successfully List of devices attached ec015b69 device saifur@saifurr:$ scrcpy --turn-screen-off --stay-awak ...