Add new symbols to libservice-connectivity loaded on T only, and the framework libraries to apex and tests. Bug: 197717846 Test: atest FrameworksNetTests (cherry-picked and splitting apex Android.bp to aosp/1994130) Change-Id: Iae44344701a3267110e5cbf271120201134d59e5 Merged-In: Iae44344701a3267110e5cbf271120201134d59e5