Remove the framework dependency on networkstack-aidl-framework.

This dependency is unused because the only file it contains is
only used by services.net, which already depends on it via the
networkstack-aidl-interfaces rule.

In its own change because it conflicts in internal master.

Test: m
Bug: 128804404
Change-Id: Ic4f4c7d2f7de06f75344946345684f26f1e05932
Merged-In: Ic4f4c7d2f7de06f75344946345684f26f1e05932