Merge "Unmount public sdcard filesystems before killing the fuse process." into nyc-dev
am: a4330be

* commit 'a4330beb482c3b5decf6a6fc966e5589210130eb':
  Unmount public sdcard filesystems before killing the fuse process.

Change-Id: If9f7acd5bc77ee4ecf9eed7375881b5554e85b9a