tree cf943f3e57a2426cdbc83a9ead74086c22cbefa4
parent e4eb4f0e2380f698d31b0089fb0e22020b70c2bc
author Felipe Leme <felipeal@google.com> 1457717612 -0800
committer Felipe Leme <felipeal@google.com> 1458231590 -0700

Improve logging of child commands.

When execvpe() is called it doesn't return, so the child error handling
should be done at the parent, otherwise the failure is not printed in the bugreport.

BUG: 27583193
Change-Id: I6161e4c72b7b0da7b82bff7fd72d7a5aaf4d6e89