[automerger skipped] DO NOT MERGE - f2fs-tools: ensure that unused xattr space is zeroized am: f7c0ca9f8b am: 11ef526df0 am: 8ad9ffddfe -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/f2fs-tools/+/25177146

Change-Id: Ic99ab65fd537276c8c896058f3e35d30b96f55c3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>