Revert "remove selector / FIXME for mobile varnish backends on lucid after reinstalls with precise"

This reverts commit 1f16e5a3f0dc66486b0a0489af28f0c3d68880ac

Change-Id: Ib5a381712bfbf7d433e5182236a86ef1bccd60b5
Merge "Revert "remove selector / FIXME for mobile varnish backends on lucid after reinstalls with precise"" into production