Clean up some more dependencies and also add prebuilts/clang-tools.

Clean up the structure of the manifest file, remove some unneeded
dependencies, add some needed ones.

Test: repo sync -j128 fetches all the projects.

Change-Id: I34836278e58f4b13d4ab9e143ae571767cdfc070
1 file changed
tree: bdfb57b2ea6d78465ff710ec654f6213916fa49d
  1. GLOBAL-PREUPLOAD.cfg
  2. default.xml