vts_fs_test: Require EROFS sysfs nodes. am: 5b227f3451 am: 346f3905f1

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

Change-Id: I2f32d64c79211945ece62525792ef7ac5c07b5a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>