Merge change 57 into donut

* changes:
  Add the domain search list for VPN connection.   The current solution is to read the net.dns.search property, and expand the list during the resolve initialization. In the future, we could implement search list per process.
tree: a6dec2c8e71c0199a8a4a6bad392ffc42e179c62
  1. libc/
  2. libdl/
  3. libm/
  4. libstdc++/
  5. libthread_db/
  6. linker/
  7. Android.mk