bdlde_charconvertutf32.t.cpp: TC -1: show UTF-8 output, add winking face emoticon
bdlde_charconvertutf32.t.cpp: TC -1: show UTF-8 output, add winking face emoticon

che2/bde,bloomberg/bde,bloomberg/bde,bloomberg/bde,bloomberg/bde,bloomberg/bde,che2/bde,che2/bde,che2/bde