Disable userfautlfd GC if minor-fault feature isn't available am: 856856e40d am: 7ab6694680 am: 9342377f1d

Original change: https://android-review.googlesource.com/c/platform/art/+/2335766

Change-Id: I2ebf8c48171377c7542fa0a6e0d600e2947da75c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>