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: I294d46bb27fb6d8ac83f1041e849fd366134b6ee