Move libstatssocket from frameworks/base to system/core/

So that lmkd can build on PDK.

Bug: 79349329
Test: builds locally
Merged-In: I981e6ef9f9769b873640e5f169a9495ccea2f25c
Change-Id: I981e6ef9f9769b873640e5f169a9495ccea2f25c
(cherry picked from commit b13a102c0afec2c0a1fbdafb9a00e3d55450b28b)
5 files changed