Updated simplified Chinese translations

Change-Id: I61ee1b76418b2f1eed4f64eafca28bf4e3ce3f8c
Embed Superuser into System Settings
Fix the message when Bluetooth is turning off while on the tethering menu.

Currently says "Turning Wifi off..."
This change will display "Turning Bluetooth off..." instead.

Change-Id: I398f372bed75f16f0da5b4fa89ce6b67e22012c4
Signed-off-by: Ryan Baxter <rbryanbaxter@gmail.com>
Merge branch 'jb-mr1' of https://github.com/Root-Box/packages_apps_Settings into rb