Add a Skeleton IpSecService

-Add IpSecService with the necessary glue to connect to netd
-Add code to retrieve IpSecService from System Server

Bug: 30984788
Test: b/34812052, b/34811227
Change-Id: I4cdcb643421141202f77a0e2f87a37012de0cd92
(cherry picked from commit 28084d89ec136b56f5012be33a0dea147962f9f6)
3 files changed
tree: 6fdf6060799c484f1e5523d960958417c9583166
  1. core/
  2. services/
  3. wifi/