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

* commit '69b65f201200d5240c035930c10f77e24a961402':
  Explicitly close pipe end when we cease operations...

Change-Id: I8a0453db9f3cde8ea4c8cb311979b2fc173fc49e