Update clang-tools build to clang-r450784d am: f0404f6582 am: 8964677e3a

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/18088778

Change-Id: I18513f637aa703c3559bbb803409c47a13fef27e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>