Update clang-tools to ab/5430938 am: 4ac13bb0a7
am: 6ad4e0732f

Change-Id: I23a33294d293e8f0b770cc96facf6794643f55db
tree: 442cfbd868f7b0cdab93995d37493c7a57f82db8
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml