[FSSDK-10619] Refactor project config manager to be injectable #780

Job	Run time
lint	3m 19s
crossbrowser_and_umd_unit_tests	2m 21s
unit_tests (16)	1m 44s
unit_tests (18)	1m 37s
unit_tests (20)	1m 29s
unit_tests (22)	1m 35s
fullstack_production_suite / test	3s
integration_tests / test	7s
lint_markdown_files / lint	51s
Coveralls coverage	3s
	13m 9s

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