Parse IfIndex for Netlink RTM_NEWADDR / RTM_DELADDR event

Bug: 64692591
Test: cts-tradefed run commandAndExit cts-dev -m CtsHostsideNetworkTests -t com.android.cts.net.HostsideVpnTests
Change-Id: Icb2ae1264f0d2fcd285b04edd27641175dd2646f
Merged-In: Icb2ae1264f0d2fcd285b04edd27641175dd2646f
(cherry picked from commit 3668291d8ece81ce1eccdee150588c2d71cae723)
1 file changed