Frameworks/SystemUI: Update Greek translations

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Idcccdf0ef362b71abf8fd16c227c486f6e1ed412
Added Volume Tile to Quicksettings

Drawable by blunden

Change-Id: I04451d8b4669ae0d4f798010a4c61e5e82990b76