Update clang-tools to ab/10774124 am: 820ba880a1

Original change: https://android-review.googlesource.com/c/platform/prebuilts/clang-tools/+/2768905

Change-Id: Ic1906d8b3da08869045da3a8834966065cfc9a56
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>