VOL-2153 import flow_utils from new location

Change-Id: Iecd3875574ecacd9fd2e96da9637d524724907f0
diff --git a/go.sum b/go.sum
index ee454b9..c36f59d 100644
--- a/go.sum
+++ b/go.sum
@@ -15,7 +15,6 @@
 github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878 h1:EFSB7Zo9Eg91v7MJPVsifUysc/wPdN+NOnVe6bWbdBM=
 github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878/go.mod h1:3AMJUQhVx52RsWOnlkpikZr01T/yAVN2gn0861vByNg=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/bclicn/color v0.0.0-20180711051946-108f2023dc84/go.mod h1:Va9ap1qxjAWkIVaW1E9rH0aNgE8SDI5A4n8Ds8P0fAA=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@@ -96,7 +95,6 @@
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.9.5 h1:UImYN5qQ8tuGpGE16ZmjvcTtTw24zw1QAp/SlnNrZhI=
 github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
-github.com/gyuho/goraph v0.0.0-20160328020532-d460590d53a9/go.mod h1:NtSxZCD+s3sZFwbW6WceOcUD83HM9XD5OE2r4c0P8eg=
 github.com/hashicorp/consul/api v1.2.0 h1:oPsuzLp2uk7I7rojPKuncWbZ+m5TMoD4Ivs+2Rkeh4Y=
 github.com/hashicorp/consul/api v1.2.0/go.mod h1:1SIkFYi2ZTXUE5Kgt179+4hH33djo11+0Eo2XgTAtkw=
 github.com/hashicorp/consul/sdk v0.2.0 h1:GWFYFmry/k4b1hEoy7kSkmU8e30GAyI4VZHk0fRxeL4=
@@ -192,12 +190,8 @@
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.5.0 h1:izbySO9zDPmjJ8rDjLvkA2zJHIo+HkYXHnf7eN7SSyo=
 github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/opencord/voltha-go v0.0.0-20191018170815-cb7c88a83125 h1:yl7OfFs9vdIvWTA3S/NjNPOYaMmbZofYeWNTTRn1TfU=
-github.com/opencord/voltha-go v0.0.0-20191018170815-cb7c88a83125/go.mod h1:98NCXBPUxv60BA5dkLBwDSfsE9vbxORz2mACL1WlDB0=
-github.com/opencord/voltha-lib-go v0.0.0-20191017201200-e73f91e306e9 h1:/CA9esQ/L41vhvwCIDI+cLjrawry5+1fQWt/O91KFXU=
-github.com/opencord/voltha-lib-go v0.0.0-20191017201200-e73f91e306e9/go.mod h1:+bjwfm5bbP1j6liscpn3UFqbh6hHDkmLDWU3AdYLDY4=
-github.com/opencord/voltha-lib-go v0.0.0-20191023185531-80258b36a64b h1:s3zvCa27RhpVy+wCk5R4iKa9H61B1MzbSL2164B1w68=
-github.com/opencord/voltha-lib-go v0.0.0-20191023185531-80258b36a64b/go.mod h1:+bjwfm5bbP1j6liscpn3UFqbh6hHDkmLDWU3AdYLDY4=
+github.com/opencord/voltha-lib-go v0.0.0-20191024175357-456b893dc42c h1:+8iex9a0qDyuNqCXfy2SBHOK0Cfiev38RhQqkIitpew=
+github.com/opencord/voltha-lib-go v0.0.0-20191024175357-456b893dc42c/go.mod h1:VDb+kLjSvAm4iaArzXB143fug199CG0/wv+Bseh1mcM=
 github.com/opencord/voltha-protos v1.0.3 h1:9v+R/QGF1xK+HKTqFM0IqCABoGCAxC8iKH4VzNBJDto=
 github.com/opencord/voltha-protos v1.0.3/go.mod h1:myfFIkJdA+rCXmKdLImhh79MfabN4ZOKQ4grk32DnPQ=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=