seccomp: allow stat() for ubsan. am: 22dfc589ee am: 0d08f1ab0e

Original change: https://googleplex-android-review.googlesource.com/c/platform/bionic/+/18167201

Change-Id: I77a91da79ab4d4eba6b89cdaa152d754d071904f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>