allowlist new Linux close_range() system call, use it in posix_spawn() am: 436980d31c am: b4adcec4aa

Original change: https://googleplex-android-review.googlesource.com/c/platform/bionic/+/18092494

Change-Id: I38b649c1a42fac53c2a94148e03b41b60c44b680
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>