Merge "Set groups before dropping privileges." into nyc-dev am: fd1eee58f9 am: f89a23f27b
am: e84648730d

* commit 'e84648730da76524bf64285f9de952de97c2171f':
  Set groups before dropping privileges.

Change-Id: Ia8b60b9f7be3120c4867f340aa66d59ec82e56af