[VOL-3318] : Framework for collecting Metrics from the ONU
- Currently implements collecting of OpticalPower Metrics and UNI status metrics
- Supports changing Metric collection frequency
- Use voltha-lib-go version 4.0.6

Change-Id: I9bd1ec8d8af9d739db96ae0303b6702dd3ce8520
diff --git a/VERSION b/VERSION
index 80eab4f..e80532c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.0-dev156
+1.1.0-dev157