feat(@angular/build): add application builder karma testing to package #585

Job	Run time
list	41s
workflow (build-cli)	2m 5s
workflow (modules-builder-tests)	2m 29s
workflow (devkit-core-tests)	1m 55s
workflow (devkit-core-tests-rerun)	1m 55s
workflow (build-unit-tests)	3m 5s
	12m 10s

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