callbridge: handle special case of calling void
callbridge: handle special case of calling void

ART crashes when calling a void returning method with CallObjectMethod

Change-Id: I95ec5f1fe5f317d1771d4f68830cfff8fbf6bfad
Reviewed-on: http://gerrit.aldebaran.lan/39829
Reviewed-by: pdaouadi <fc1eb3334d3fdad315bae23aa166bc70bd434067@aldebaran-robotics.com>
Tested-by: pdaouadi <fc1eb3334d3fdad315bae23aa166bc70bd434067@aldebaran-robotics.com>

aldebaran/libqi-java,aldebaran/libqi-java,aldebaran/libqi-java