[Routeorch] Fix next hop group reference count in bulk operation#1501

Merged

shi-su merged 4 commits intosonic-net:masterfrom shi-su:route-ref-cnt

Nov 16, 2020

+14-5

Commits on Nov 11, 2020

Fix next hop group reference count
shi-su
committed
insert bulkNhgReducedRefCnt in addRoutePost and removeRoutePost
shi-su
committed

Commits on Nov 12, 2020

Fix nexthop group removal
shi-su
committed
make set as a member variable and restore if statement
shi-su
committed