message: Add blkio setup to android init script
diff: # from E.S.R.Labs.
  on post-fs-data
  - mkdir /dev/memcg/northstar
  + mkdir /dev/blkio/northstar
  mkdir /dev/cpuctl/northstar
  - chown system system /dev/memcg/northstar
  + mkdir /dev/memcg/northstar
  + chown system system /dev/blkio/northstar
  chown system system /dev/cpuctl/northstar
  + chown system system /dev/memcg/northstar
  chown system system /dev/device-mapper
  chown system system /dev/loop-control
  