Merge "vold: fix write kbytes handling" am: 13a57d2a am: 486c3507

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2507268



Change-Id: I697ba818c7399584b81c831eb14a8a4d55be7cee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>