manifest: Re-add top-level Android.bp symlink

* The build system really, really, wants this one to stick around

Change-Id: Ie1956138d8c19d321a1806f44d9a3bad8b23fdae
1 file changed
tree: e6ba266d5a3e43b2bb63eefaebedcfd795875387
  1. snippets/
  2. default.xml
  3. README.mkdn