QRCode Square Info
Returns information on the square itself. It has the type of square and its region within its relative type.
For example, if type = POSITION_PROBE
then region will represent where within the Position Probe this square is positioned. A region of QRCodeRegion.TOP_LEFT_CORNER for example represents the top left corner of the position probe this particular square is part of (a QRCode have 3 position probes).