veyron/services/mgmt/suidhelper: prep for go1.4

Update suidhelper for correct operation on go1.4 and make better use
of Go's syscall interface to reduce likelyhood of flake bugs.

Change-Id: I3f9083a0de5cf020e52f2844f2a28927e15c73ac
6 files changed
tree: ef1835ea3a831198a60dfe6e44c62f0a8007d63b
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/