vts_fs_test: Require EROFS sysfs nodes. am: 5b227f3451

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/18636032

Change-Id: Ic976d0f6954342ab3eac142e6984918376769d8a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>