[ Merge of http://go/wvgerrit/137810 ] Bug: 204946540 Test: Metric unit tests Change-Id: I78f839fafd27604a2bb78c04d587c40919c5372d
[ Merge of http://go/wvgerrit/137810 ] Bug: 204946540 Test: Metric unit tests Change-Id: I78f839fafd27604a2bb78c04d587c40919c5372d