The name is only used for local config and internal virtual URLs.
A key use case is having a LocalRepo named "local" on central repo
wiki and a ForeignDBViaLBRepo named "shared" on the client wikis,
the later being a reference to the former. The keys should be be
shared regardless of this naming difference.
Bug: T267668
Change-Id: Ic239bb980740ec5237edc878af4274885034a96f
