Enabling internal msg apis

NetworkFactory and NetworkAgent.  First trying with wifi and
getting rid of WifiStateTracker.

Conflicts:
	api/current.txt
	services/core/java/com/android/server/ConnectivityService.java

Change-Id: I7f0ec13d7d8988b32f3c6dc71f72012f3349fe02
6 files changed
tree: d3ac63b14ff84cb874d12859e7f0a82c01ade3f7
  1. core/
  2. services/
  3. tests/