[FSSDK-12115] Notification center type definition update #1453

Job	Run time
lint	1m 7s
lint_markdown_files / lint	1m 6s
unit_tests (14)	2m 14s
unit_tests (16)	2m 18s
unit_tests (20)	2m 6s
unit_tests (18)	2m 11s
crossbrowser_and_umd_unit_tests	2m 37s
fullstack_production_suite / test	6s
integration_tests / test	8s
Coveralls coverage	3s
	13m 56s

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