fix(@schematics/angular): flag '--file-name-style-guide=2016' - wrong… #2372

Job	Run time
build	22s
lint	2m 24s
build-e2e-windows	24s
test	0s
Browser Compatibility Tests	0s
e2e-package-managers	-1s
publish-snapshots	-1s
e2e	-1s
e2e-snapshots	-1s
e2e-windows	-1s
	3m 5s

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