tree dcb6a4cc46015ef05532a6bf1c3d8699e8037dae
parent 4a2252489c18da0f7bd2b1ba48d780b2f2debb4a
author Skylar Chang <chiaweic@codeaurora.org> 1391062116 -0800
committer Skylar Chang <chiaweic@codeaurora.org> 1403656942 -0700

IPACM: fix missing RTM_NEWNEIGH for WLAN channel change

in customer build, the RTM_NEIGH is missing for bridge0
interface after WLAN interface stop/restart, we add this
backup machinism to let IPA first use previous ipv4 info
to construct RT rules, then if new ipv4 coming with
RTM_NEIGH, we will keep update

Change-Id: I117bc0402d2e2a02211d8374f85721fecb2e8075