Airplane mode permanently off if quickly switch on/off by airplane mode key

[Cyrus Lien]

Airplane mode permanently off if quickly switch on/off by airplane mode key.

Steps to reproduce:
1. Switch on and off Airplane mode by pressing Fn+Home(wireless key) very quickly (about 10 times per second).

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-settings-daemon 3.28.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-1019.22-oem 4.15.18
Uname: Linux 4.15.0-1019-oem x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 27 00:57:00 2018
InstallationDate: Installed on 2018-09-21 (5 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-settings-daemon
UpgradeStatus: No upgrade log present (probably fresh install)

[Cyrus Lien (cyruslien)]

Can not reproduce it on gnome-settings-daemon(3.30.0-0ubuntu1).