Move lib64/* to lib/* am: fb2687e434

Original change: https://android-review.googlesource.com/c/platform/prebuilts/clang/host/darwin-x86/+/2166523

Change-Id: Iab0523822f39c76670b6121321563f65250f3261
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>