refactor(@angular/cli): add architect target discovery to list_projec… #3602

Job	Run time
list	25s
workflow (build-cli)	1m 48s
workflow (devkit-core-tests)	1m 21s
workflow (build-unit-tests)	3m 2s
workflow (devkit-core-tests-rerun)	1m 21s
workflow (modules-builder-tests)	1m 48s
	9m 45s

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