vpnaas: Wait for site connection status

Related-Prod: PRODX-29215
Change-Id: I973505ca0b5d34fcbae75983b541e7d0468e0e3a
(cherry picked from commit b89e4fc3f67b4dd7025dcefbbdd67c347ac2db05)
(cherry picked from commit 6168ce422d3ccc9533865c1bf9fec72795922eb9)
2 files changed