Move the networkstack AIDL interfaces to services/net.

Nothing in the framework uses these, so there is no point in
having the build be in frameworks/base/Android.bp.

Fix: 128804404
Test: builds, boots
Test: atest FrameworksNetTests
Change-Id: I2e8c2ad9ea8bfcd3668a83e4c044de10389a8a22
29 files changed