Merge "libc++fs is part of libc++ now." into main am: 241e48ddd1 am: a7b307ad6d

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3129260

Change-Id: I797d04fe0b51313d5b3fa569ce2487ba86a75985
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>