tree 37df59eb4f5e9789a15234153c6b689762995024
parent 3cd8c6f9123883d02e1c4c146e1ef7bfcfa170a3
author Keun-young Park <keunyoung@google.com> 1490300848 -0700
committer Keun-young Park <keunyoung@google.com> 1490317284 -0700

add kill all for shutdown_timeout of 0

- If it is explicitly set to 0, active processes can block
  umount completely. Safe to kill all processes and umount.
- also add additional sync after emulated partition umount
  as that can change /data partition files

bug: 36004738
Test: many reboots

Change-Id: I6c9b07b6fdece44b9caec4e45ecf26a20d0eb96e