build: use genrule for best practices copy #10802

Job	Run time
lint	40s
build	59s
build-e2e-windows	54s
e2e-windows	1s
publish-snapshots	1s
Browser Compatibility Tests	1s
test	1s
e2e-package-managers	1s
e2e-snapshots	1s
e2e	1s
	2m 40s

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