My Nexus 4 has this feature by default, perhaps it was a Jelly Bean addition? Very much like having it there since getting my N4, I used to use a 3rd party widg

My Nexus 4 has this feature by default, perhaps it was a Jelly Bean addition? Very much like having it there since getting my N4, I used to use a 3rd party widget for this purpose (powerstrip if anyone is interested), but it's largely been superseded by this (even though powerstrip is still great)