Merge "Use _exit instead of exit for the system exit." am: 30ad1c2e8b
am: 7d96cce87f

* commit '7d96cce87f0eab9d2062fa49051dd58769e55579':
  Use _exit instead of exit for the system exit.

Change-Id: I4f5d1f8d00d0f1099d9f59e14c8501d17cd3966c