[VOL-2570]Make skew configurable for performance metrics

Change-Id: I6db3e32147e6c11b2d268d9cfb2808b4bbe10678
diff --git a/go.sum b/go.sum
index 2729387..63bee67 100644
--- a/go.sum
+++ b/go.sum
@@ -233,6 +233,8 @@
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+github.com/opencord/voltha-protos/v3 v3.4.0 h1:cfEh/VVcf/FI4BMsjDpmY2lzVvCxDKpTYxpXyaOhpFo=
+github.com/opencord/voltha-protos/v3 v3.4.0/go.mod h1:nl1ETp5Iw3avxOaKD8BJlYY5wYI4KeV95aT1pL63nto=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
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