CBG-3877 Persist HLV to _vv xattr #9959

Job	Run time
addlicense	6s
lint	39s
build	1m 14s
test (macos)	3m 58s
test (windows)	5m 17s
test-race	5m 11s
test (ubuntu)	3m 45s
test-sgcollect (macos-latest)	55s
test-sgcollect (windows-latest)	3m 54s
test-stats-definition-exporter (macos-latest)	21s
test-sgcollect (ubuntu-latest)	25s
test-stats-definition-exporter (windows-latest)	2m 46s
test-stats-definition-exporter (ubuntu-latest)	1m 13s
	29m 44s

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