Update clang-tools to ab/5054679 am: 2833ffb633
am: a48d6954aa

Change-Id: I3169c940a81fef71b6a6f7874fcb7c942450f338
tree: 72c579dad27b095e75e12c0aeeef90e7c56c0d35
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml