Update clang to r487747c am: 4ac0fd8561 am: 859ecfc418

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/23373737

Change-Id: I93ad17fc0087ee4e0ee8c0bc63ff87162cf3d1e4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>