Lightly spray chicken with oil. Press garlic; press into chicken. Heat 8" saute pan over medium heat until hot. Cook chicken 20-22 mintues, turning once during cooking using tongs. Remove chicken from pan; cool. Slice into 1/4-inch-thick strips. Place chicken in batter bowl. Chop onion abd olives. Chop bell pepper. Grate parmesan cheese. Slice lettuce; place onions, olives, bell pepper, cheese lettuce, and croutons into batter bowl. Add dressing; toss to coat. For each wrap, place 3/4 cup of mixture on tortilla. Roll up tortilla tightly, jelly-roll fashion. Wrap each tortilla securely with plastic wrap. Repeat with remaining tortillas and filling. Refrigerate seam side down 30 minutes. To serve, cut each roll crosswise into 6 slices with knife; and place on platter.