Upgrade f2fs-tools to f71fbf8f3dee4eefdddac1abaaf4ae76bb9a48b3 am: f5d5adbf61

Original change: https://android-review.googlesource.com/c/platform/external/f2fs-tools/+/2825403

Change-Id: I1f29cf6f38671d00a45db52aa5900e3d0e0d918c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>