android: add switch to handle Android L

restore support of wait3()
librpc: inet_makeaddr() is now in bionic

nslookup also fixed (_res is now hidden in libc dns)

Change-Id: I61af9de7255b071a44f598d6db3fe44eb9394712
Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>