Add data structures to parse netlink route messages.

Bug: 163492391
Test: atest NetworkStaticLibsTests
Change-Id: If8c960849f4840b7c516c0d2579da8a805978e13
5 files changed
tree: b00f95b79d4b1d449ec0d39140a7e2ee8bfb989a
  1. staticlibs/