refactor(@angular-devkit/architect): consolidate architect cli into c… #1469

Job	Run time
list	1m 7s
workflow (devkit-core-tests-rerun)	27s
workflow (devkit-core-tests)	23s
workflow (modules-builder-tests)	27s
workflow (build-unit-tests)	24s
workflow (build-cli)	22s
	3m 10s

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