Update clang-tools to ab/5054679 am: 2833ffb633 am: a48d6954aa
am: 14f9c02dee

Change-Id: I61a6a3d846619516808bc9ca370b0f7429a591bc
tree: 72c579dad27b095e75e12c0aeeef90e7c56c0d35
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml