The autoOrientation property is a flag to switch on/off
automatic rotation of the video output, depending on the
current screen orientation, to always show the output
upright. This is useful when the VideoOutput is used as
viewfinder for a Camera.
Change-Id: I72753888592dc59c9adaa3343bfec8b168343229
Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>