build: move all jobs into a single workflow (#17607)
build: move all jobs into a single workflow (#17607)

Moves all CircleCI jobs into a single workflow. This makes
the process of manually restarting CI easier, and also causes
less confusion with concurrently running workflows.
crisbeto/material2,DevVersion/material2,crisbeto/material2,DevVersion/material2,DevVersion/material2,andrewseguin/material2,josephperrott/material2,angular/components,josephperrott/material2,crisbeto/material2,DevVersion/material2,DevVersion/material2,josephperrott/material2,crisbeto/material2,angular/components,Jefiozie/material2,mmalerba/material2,andrewseguin/material2,mmalerba/material2,andrewseguin/material2,Jefiozie/material2,angular/components,mmalerba/material2,mmalerba/material2,Jefiozie/material2,mmalerba/material2,andrewseguin/material2,angular/components,andrewseguin/material2,josephperrott/material2,Jefiozie/material2,josephperrott/material2,Jefiozie/material2