Migrate to the new clang lib dir am: 7524649d64 am: 3acc10497a am: 85a97772e3

Original change: https://android-review.googlesource.com/c/platform/art/+/2428673

Change-Id: If66c99fb6fd7219d5ab10b098d30ca2f0e1930ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>