VOL-3419: Replicate voltha flows in openolt agent
- The scale-tester-app will adhere to new openolt.proto interface (version 4.0.2)
and will pass necessary information for openolt-agent to replicate the flows.
- upgrade to voltha-lib-go version 4.0.0

Change-Id: I9d862929ae8ac4468d4e93096f8cd8e16f26ec93
diff --git a/go.sum b/go.sum
index 521d915..79b12e5 100644
--- a/go.sum
+++ b/go.sum
@@ -4,6 +4,7 @@
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@@ -23,8 +24,10 @@
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@@ -32,6 +35,8 @@
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@@ -190,11 +195,12 @@
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@@ -235,6 +241,7 @@
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@@ -248,6 +255,10 @@
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