Update clang prebuilt lib paths am: 8ecb53a4ee

Original change: https://android-review.googlesource.com/c/platform/art/+/2229537

Change-Id: I130dae919ecda7f7178f251013e19ef2c50e14a8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>