Merge "statx(2) allows nullptr for the path now." into main am: 0c8224936c

Original change: https://android-review.googlesource.com/c/platform/bionic/+/3264759

Change-Id: I501e79e482e5fbe62111850f86f5f8a78f0475db
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>