The latest version of the repository XSD changes:
- archive attributes (os/arch) are now element (host-os)
- system images are not longer in the repository.xml and
get their own XML file.
Change-Id: If5820a84d5c754b816b17b5713bbdb2597736eff
This adds support for "templates" source.properties files that can
inherit the platform version/codename/api level from the build.
The purpose is for a given build to always generate SDK files that
match the platform generated in the same branch.
Change-Id: Id623bbef45a04d953da8eade7e8c34c77709f9c3