add debug message for throttling
add debug message for throttling


SVN revision: 65362

FlorentRevest/Enlightenment,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment,rvandegrift/e,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment,rvandegrift/e,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,rvandegrift/e,tasn/enlightenment