Update build-tools to ab/3638574

Test: m -j
Bug: 33973239
Change-Id: Icc1c186968285b9eb93875854417cf60b5429e89
12 files changed
tree: c328723e5534f8149f709229d5b2fe00fcab21d3
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml