CBLT-283:  fix up link_to_package() for android, ios

Change-Id: I9f10664513a292bd9be005c422119550eefb7d06
Reviewed-on: http://review.couchbase.org/36877
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>