Oatmeal Cookie Fruit Pizza

Name: Oatmeal Cookie Fruit Pizza
Ingredients: 1 ½ cups old-fashioned rolled oats; 1 cup white whole-wheat flour; ½ teaspoon ground cinnamon; ½ teaspoon baking soda; ¼ teaspoon baking powder; ¼ teaspoon salt; 1 large egg; ⅔ cup packed light brown sugar; ⅓ cup canola oil; ½ teaspoon vanilla extract; 8 ounces reduced-fat cream cheese, at room temperature; ½ cup low-fat plain Greek yogurt; 3 tablespoons sifted confectioners' sugar; 1 teaspoon vanilla extract; ¾ cup sliced strawberries; 1 kiwi, peeled, halved and sliced; ¼ cup blueberries