Do fip_status migration only for l3-capable plugins

The migration was initially performed for all plugins, causing
failures for plugins for which the initial L3 migration was
not performed.

Change-Id: I4a48a13202a4125f032a3e80aa567f7979d2c335
Closes-Bug: 1287630
Merge "Do fip_status migration only for l3-capable plugins"