am 0ec5e15a: Merge "SDK prebuilts: reorganize into tools/lib."

* commit '0ec5e15aa8418a24ccfdeae86c3036d96b3821c1':
  SDK prebuilts: reorganize into tools/lib.
tree: c988c95dcb123c60bd3a8efa96f26ed11d370633
  1. repository/
  2. tools/
  3. update_jars.sh