serverconfig: fix secring path for update_golden.

Also regenerated the golden config files.

Change-Id: Id87dcad5f85b060eeee477e1fd3c72bff93d3d5e
Add diskPack as a high level local storage destination

As a diskPack boolean flag in the high-level server config,
reusing the blobPath parameter for destination.

Change-Id: I9ec0583b160f89952cdad851e66c7fabf22b7bb4
Merge "Add diskPack as a high level local storage destination"
serverconfig: fix another /path/to/secring canonicalization case

Change-Id: Ia0bdbdf0bdd0279055344d2c14a23eed473d7098