It makes no sense to offer the "type-unsafe" operators taking a plain
int, and not offer the ones taking a QFlags object. Using these
operators has actually always worked by going through a conversion to
int, but we're going to limit that possibility in the future.
[ChangeLog][QtCore][QFlags] The operator& and operator&= now accept
a QFlags object.
Change-Id: Iee0845640014d35b646787e8bdb77854f180a9ef
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>