[AI-FSSDK] [FSSDK-12337] Add Feature Rollout support #1540

Job	Run time
lint	54s
typescript_test	1m 20s
browser_tests (chrome)	6m 54s
browser_tests (edge)	11m 28s
browser_tests (safari)	3m 7s
unit_tests (24)	1m 25s
unit_tests (22)	1m 36s
browser_tests (firefox)	8m 2s
unit_tests (18)	1m 32s
lint_markdown_files / lint	1m 10s
unit_tests (20)	1m 35s
integration_tests / test	6s
fullstack_production_suite / test	7s
Coveralls coverage	4s
	39m 20s

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