Make C++ class constructors that can be used with only one
required argument 'explicit' to minimize wrong use of the class.
Change-Id: Ida9f9c2f0c8608c35b0137b2512a6747afd69515
Reviewed-by: Mitch Curtis <mitch.curtis@nokia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
58e2b9c01b