Use this receiver to listen to following updates: 1. Plug state: if it is plugged in, disable this two state button, otherwise make it enabled 2. low power mode: If mode on, show "turn off" otherwise show "turn on" Bug: 72228477 Test: RunSettingsRoboTests Change-Id: Ib3d3df9f9a5fbac8b1b876c9e193beb75f522ebd