Spray 4 - 5 quart slow cooker with cooking spray. Place chicken in cooker. In small bowl, mix teriyaki sauce, gingerroot, and garlic; pour over chicken.
Cover; cook on Low heat setting 7 - 8 hours.
Stir chicken mixture to break apart large pieces of chicken. Stir in sesame seed and sesame oil. Increase heat setting to High. Cover; cook about 15 minutes or until thoroughly heated.
Spread 2 teaspoons hoisin sauce on each tortilla. Using slotted spoon, spread about 1/3 cup chicken mixture down center of each tortilla. Top chicken mixture with 1 tablespoon shredded carrot, a few bell pepper strips, 2 teaspoons green onions, and 1 tablespoon noodles. Roll up tortilla; cut diagonally in half.