I recently updated my nexus 7 by mistake. The problem is that it is no longer rooted. The only reason I need it rooted is so that I can use proxydroid but I noticed an attending at my institution managed to have a global proxy without the need for rooting. He said his device wasn't rooted but all apps had access to the internet directly after setting it up ( including facebook which he demonstrated at the time for me). Anyone know how I can accomplish that without rooting the device? If I absolutely need to whats the easiest way to do so?