manifest: Add cuttlefish and kernel prebuilts

Those are needed for the generic arm64 targets.

Change-Id: Ib91a3fc77061469b6112092d6460c07c516cb28c
1 file changed
tree: 676cddb7ff0dcace9cc7420b107952f8376b203c
  1. snippets/
  2. default.xml
  3. README.mkdn