I looked at the other ap photos of the day and watched an interview with another photographer who captured photos of the bloody ear who described what he saw on close ups of the photos. It appears slightly grazed in two places across the middle of the upper ear. In the newer photo there may be a slight discoloration where the grazing could be. 

I think saying there should be more damage and therefor now not seeing damage some how means he wasn't shot at all is a bit confusing. If there is damage it doesn't matter if it will eventually be seen. My point is the guy has a huge ego and clearly makes a lot of effort in his appearance. Its hollywood, easy to touch up an ear.