Merge "libc++fs is part of libc++ now." into main am: 2241a73f0c am: 112b326386

Original change: https://android-review.googlesource.com/c/platform/system/security/+/3126893

Change-Id: Ie75731f092923e52cc13a1bb8f7015f483a09588
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>