[automerger skipped] Update clang-tools to ab/6319416 am: 7e2cfe9cd1 am: de3db31086 am: 69c91141e9 -s ours

am skip reason: Change-Id Idbefc839be1f67ad8a5b759914ce57134b496636 with SHA-1 7e2cfe9cd1 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/clang-tools/+/10797380

Change-Id: Ia21b5b2fdff91c561bac5b60c8fc6a373d58cb29
tree: a8aff0a81539d1d71c161f5e4fafd6daf08aa206
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml