Redirect traffic only after the deployment is successful. (#1320)
Redirect traffic only after the deployment is successful. (#1320)

This is to address the problems with the backend not being available
during the deployment process.

Bug: https://github.com/flutter/flutter/issues/87222
flutter/cocoon,flutter/cocoon,flutter/cocoon,flutter/cocoon,flutter/cocoon,flutter/cocoon,flutter/cocoon,flutter/cocoon,flutter/cocoon