Historically files to be formatted were added to a listing (via matchers)
to be included in formatting. Instead, this change begins efforts to
instead include all files in format enforcement, relying instead on an
opt out methodology.
PR Close#36940
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which will not be published to npm but will be pushed to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