Merge "Avoid killing the FUSE daemon during unmount" am: 05bb5cc71e am: 5e953c70fc

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/1614817

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I769ded970fbf021c241043063e34758bfebada98