Calling NDK version of tagSocket/untagSocket

Calling NDK version of tagSocket/untagSocket from
android_server_NetworkManagementSocketTagger.cpp. This is required since
the file is going to be mainlined. The platform functions it calls must
be stable APIs.

Bug: 29761778
Bug: 202086915
Test: atest TrafficStatsTest NetworkUsageStatsTest

Change-Id: Ic6554d9b98cef9b41b7eae06315d284c574c0a45
2 files changed