Position rack in bottom third of oven and preheat to 400 F. Sprinkle cornmeal on baking sheet.
Unroll dough onto sheet, forming 10x15-inch rectangle.
Mix salsa, oil, and chili powder in small bowl. Toss cheese and cilantro in medium bowl. Spoon salsa mixture over dough, leaving 1/2-inch border. Sprinkle with cheese mixture. Bake pizza until crust is golden brown and cheese is melted and bubbling, about 15 minutes. Cut into squares and serve.