Create a common config file loading utility function and the
necessary util directory. This util directory can provide common
utility functions for usage inside of the dev-infra package.
PR Close#36091
Creates the scaffolding for an @angular/dev-infra-private package
which will not be published to npm but will be pushed to
https://github.com/angular/dev-infra-private-builds repo for each
commit to master.
The contents of this npm package will then be depended on via
package.json dependency for angular/angular angular/angular-cli and
angular/components.
PR Close#35862