updated testhdmidisplay.cpp to use parameters from monitor EDID
updated testhdmidisplay.cpp to use parameters from monitor EDID

Change-Id: Ie46bd2c92d0043f58fec7f77641e5c9af2629f82

hanw/connectal,hanw/connectal,hanw/connectal,chenm001/connectal,8l/connectal,csail-csg/connectal,csail-csg/connectal,csail-csg/connectal,hanw/connectal,cambridgehackers/connectal,chenm001/connectal,8l/connectal,8l/connectal,cambridgehackers/connectal,cambridgehackers/connectal,hanw/connectal,chenm001/connectal,csail-csg/connectal,cambridgehackers/connectal,csail-csg/connectal,8l/connectal,chenm001/connectal,chenm001/connectal,8l/connectal,cambridgehackers/connectal