Make sure the child process terminates before returning from process_utils.RunCommandFull.

BUG=1295708

Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 5ee76d47e12c3bcaf088483456470698720c082d
1 file changed
tree: db26313e04f35ddb122b3623e85fb0c19eb2cf4c
  1. google/