Applying the Helium release patch for BGPCEP

Change-Id: I43ca3345de02810e0280dde69be9e8d0583aff8d
Signed-off-by: Dana Kutenicsova <dkutenic@cisco.com>
Changing .gitreview to use the stable/helium

Change-Id: I69eb9fe4af1add1f9545c1977ad2a503cf23d91f
Signed-off-by: Dana Kutenicsova <dkutenic@cisco.com>