Kodi - Auto hide Video OSD (On Screen Display)

addon.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<addon id="service.autoexec" name="Autoexec Service" version="1.0.0" provider-name="your username">
	<requires>
		<import addon="xbmc.python" version="3.0.0"/>
	</requires>
	<extension point="xbmc.service" library="autoexec.py">
	</extension>
	<extension point="xbmc.addon.metadata">
		<summary lang="en_GB">Automatically run python code when Kodi starts.</summary>
		<description lang="en_GB">The Autoexec Service will automatically be run on Kodi startup.</description>
		<platform>all</platform>
		<license>GNU GENERAL PUBLIC LICENSE Version 2</license>
	</extension>
</addon>

autoexec.py

# old way: /Internal shared storage/Android/data/org.xbmc.kodi/files/.kodi/userdata
# matrix: /Internal shared storage/Android/data/org.xbmc.kodi/files/.kodi/addons/service.autoexec/{autoexec.py,addon.xml}

import xbmc
import threading

def log(msg, loglevel=xbmc.LOGDEBUG):
    xbmc.log("[autoexec.py] --> %s" % msg, level=loglevel)

def check_osd():
    while True:
        if xbmc.getCondVisibility("System.IdleTime(5)"):
            if xbmc.getCondVisibility("Window.IsActive(videoosd)"):
                xbmc.executebuiltin("Dialog.Close(videoosd)")
        xbmc.sleep(500)
        
log("starting autoexec")        
threading.Thread(target=check_osd).start()