JNI: create jaw_object_set_description
JNI: create jaw_object_set_description

Patch d24df6e does not apply

Bug: https://bugzilla.gnome.org/show_bug.cgi?id=750649

thisMagpie/java-atk-wrapper,GNOME/java-atk-wrapper,thisMagpie/java-atk-wrapper,GNOME/java-atk-wrapper,GNOME/java-atk-wrapper,thisMagpie/java-atk-wrapper