Fix a problem when bg_color == fg_color
Fix a problem when bg_color == fg_color

Invert the intensity bit if the background_color == foreground_color
google/googletest,empiredan/googletest,google/googletest,google/googletest,jlanecox/googletest,antidotcb/googletest,fuchsia-mirror/third_party-googletest,antidotcb/googletest,xnagireddy/googletest,xnagireddy/googletest,fuchsia-mirror/third_party-googletest,fuchsia-mirror/third_party-googletest,gianricardo/googletest,gianricardo/googletest,google/googletest,xnagireddy/googletest,jlanecox/googletest,jlanecox/googletest,fuchsia-mirror/third_party-googletest,jlanecox/googletest,empiredan/googletest,gianricardo/googletest,antidotcb/googletest,antidotcb/googletest,xnagireddy/googletest,empiredan/googletest