c656e18949
setgid provides the primary group, setgroups sets the secondary groups. Prior to this patch, we would do a setgroups with an empty list, effectively wiping secondary groups. We now verify which secondary groups the user is member of and escalate the privileges accordingly. Change-Id: I33a10edd448b3ac5aa758a8d1d70e582cf421c7d Closes-Bug: 1269473