Make IpClient populate the DHCP server address in LinkProperties

Bug: 134098566

Test:
lunch arm_aosp-userdebug
make -j32

Change-Id: Ide9610f9b17992eef83e1c42ac71b1b79c179f44
Merged-In: If86a6303671b03bb2ccf98de7e9d77020b013d2f
(cherry picked from commit 10d243214ae933d063affdd2b4f6c1f837279586)
4 files changed