Move NetlinkListener relevant files to frameworks/libs/net

NetlinkListener is used by Netd, so move it to frameworks/libs/net
and then it can be used by platform code and mainline module.

Bug: 209935649
Test: m; flash; boot
Change-Id: I4cf0e64eee1dda1e452d76af77642416c9729d42
3 files changed
tree: 0dea3b88e19dc205fac341af1096cd45aa99d003
  1. staticlibs/