Explicitly close pipe end when we cease operations... am: 3bed1c0ef8 am: 69b65f2012
am: ce17ee5611

* commit 'ce17ee5611640e83ef1d2ddf663157e1f6cb36ad':
  Explicitly close pipe end when we cease operations...

Change-Id: I7c49cc6a56856cf132624d013225cca28b99466b