package: Add in the runonce script

This creates the runonce service we can use for running initial
OEM-style OS setup scripts. Currently this only includes the e2fsresize
and service enablement stuff.

Change-Id: I2dd9e4b846e95a828f810dfc7a776d8d84bff5bf
12 files changed
tree: fe9e125946d29e2f1a658a8ce42ddb3d269485e4
  1. debian/
  2. etc/
  3. usr/