Don't set default values for optional AboutData fields.
Don't set default values for optional AboutData fields.

Change-Id: Ib5a2d93963819370b241fb06ca2bb037a8ae9062
Signed-off-by: Todd Malsbary <8856a5d8416dae6d0ae52d024d7a973f628fb21e@intel.com>

iotivity/iotivity-alljoyn-bridge,iotivity/iotivity-alljoyn-bridge,iotivity/iotivity-alljoyn-bridge