[VOL-3665] Update voltha library to the latest

Change-Id: Ieae89b82488379da4b99ab7b7a5356990a8bcdd3
diff --git a/VERSION b/VERSION
index 6a6a3d8..745ec0d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.6.1
+2.6.2-dev
diff --git a/go.mod b/go.mod
index 85c3a6f..0401589 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@
 	github.com/gogo/protobuf v1.3.0
 	github.com/golang/protobuf v1.3.2
 	github.com/google/uuid v1.1.1
-	github.com/opencord/voltha-lib-go/v4 v4.0.0
+	github.com/opencord/voltha-lib-go/v4 v4.0.2
 	github.com/opencord/voltha-protos/v4 v4.0.2
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/stretchr/testify v1.4.0
diff --git a/go.sum b/go.sum
index 763bc3f..628d20e 100644
--- a/go.sum
+++ b/go.sum
@@ -198,8 +198,8 @@
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/opencord/voltha-lib-go/v4 v4.0.0 h1:D5dK5LQ6Z/UbUEsuQuP9OoAODQuNSY1qQnuF2PsxTKw=
-github.com/opencord/voltha-lib-go/v4 v4.0.0/go.mod h1:QgdIa7PlU0jhZT3qCPtcVt8/CpingKm4dUEROBrUBZg=
+github.com/opencord/voltha-lib-go/v4 v4.0.2 h1:RQoNMXQ4uYmSO2v406AzgCgr7BJk3++OhSmtehX+Uic=
+github.com/opencord/voltha-lib-go/v4 v4.0.2/go.mod h1:QgdIa7PlU0jhZT3qCPtcVt8/CpingKm4dUEROBrUBZg=
 github.com/opencord/voltha-protos/v4 v4.0.2 h1:SI25ljqftc8Tc28CgfqSE4IGCLJ5MgCmBQlE96hl9X8=
 github.com/opencord/voltha-protos/v4 v4.0.2/go.mod h1:W/OIFIyvFh/C0vchRUuarIsMylEhzCRM9pNxLvkPtKc=
 github.com/opentracing/opentracing-go v1.1.0 h1:pWlfV3Bxv7k65HYwkikxat0+s3pV4bsqf19k25Ur8rU=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6073509..c8b6a04 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -102,7 +102,7 @@
 github.com/modern-go/concurrent
 # github.com/modern-go/reflect2 v1.0.1
 github.com/modern-go/reflect2
-# github.com/opencord/voltha-lib-go/v4 v4.0.0
+# github.com/opencord/voltha-lib-go/v4 v4.0.2
 github.com/opencord/voltha-lib-go/v4/pkg/adapters
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/common