Don't use QTextStream to write a QString to a file in UTF-8.
This can be done more easily, by directly converting the
QString to utf-8 and calling write on the io device.
Change-Id: I4b617b342ab339affb396ed49c5a920985d1ddfd
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
5acc3dd242