Enable cloud build api to avoid errors & redeploy
Enable cloud build api to avoid errors & redeploy

Even after the latest changes we still need to enable cloud build api before installing the web application.
It stops reduces the errors in the first run
Change-Id: I22ceebdca8f2f4e6d4f6d3f6fac91420bd246964

google/product-dsa,google/product-dsa,google/product-dsa,google/product-dsa,google/product-dsa