veyron/tools/mgmt/device/devicex: accomodate Darwinisms

MacOS Yosemite removes /usr/sbin from the default path and does not
have a root group. Adjust the device manager installation script to
accomodate these differences.

Change-Id: Ia0243b3baf97efcff3288641619c5a4af47acf1d
1 file changed
tree: 6d89cbcdb421ef2ca19d198956168bf085ba27d6
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/