tree 7c4bb056b4887a7fe6814cf873ad341953af0ab1
parent a7da8d8702c0813ec21cdb114b57959aa259f4c3
author Charles Chan <rascov@gmail.com> 1534985807 -0700
committer Carmelo Cascone <carmelo@opennetworking.org> 1535431803 +0000

ONOS-7759 Explicitly pop VLAN while editing hash group buckets

P4 switch requires explicit pop VLAN when necessary.
This is the missing part of gerrit #19301.

Change-Id: I809a1066cbaddd05154556ad300e59883245e0f7
(cherry picked from commit cee433bc37da8536807e8a5fbbd85315b8ca95bd)