Combine first 6 ingredients in a large zip-top plastic bag. Add steak; seal bag, and marinate steak in refrigerator at least 6 hours, turning bag occasionally.
. Prepare grill.
. Combine tomato and next 7 ingredients in a bowl; toss gently, and set aside.
. Remove steak from bag; discard marinade. Place steak on grill rack coated with cooking spray; grill 6 minutes on each side or until desired degree of doneness. Let stand 5 minutes. Cut steak diagonally across grain into thin slices. Serve with pico de gallo.