refactor(@angular-devkit/architect): fix dependencies and import path… #605

Job	Run time
list	38s
workflow (build-cli)	2m 1s
workflow (modules-builder-tests)	2m 30s
workflow (devkit-core-tests)	1m 47s
workflow (devkit-core-tests-rerun)	1m 57s
workflow (build-unit-tests)	2m 57s
	11m 50s

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