Merge changes I33ad04ee,I651d96a7,I0ef498ec,I88f4e539,I32c4e750, ...

* changes:
  Delete all EOTs in iptables commands and remove fixCommandString.
  Speed up FirewallController startup.
  Move NatController startup to iptables-restore.
  Further speed up creating child chains.
  Use iptables pipes when fetching tether counters.
  Use iptables pipes in BandwidthController startup.
  Improve IptablesRestoreController error logging.
  Support reading output from IptablesRestoreController.
tree: a31af4593429d325a1a5cc52c56d02b9318ae85c
  1. client/
  2. include/
  3. server/
  4. tests/
  5. Android.mk
  6. MODULE_LICENSE_APACHE2
  7. NOTICE