Merge changes I64cc32e7,I54f167b5,I01ba8e1d

* changes:
  Move createChildChains to iptables-restore.
  Add finer-grained logging of netd startup times.
  Move some code out of CommandListener.
tree: 9b12a8a4b8973693eaf54b9c4adfa5a6cca51455
  1. client/
  2. include/
  3. server/
  4. tests/
  5. Android.mk
  6. MODULE_LICENSE_APACHE2
  7. NOTICE