Add libconnectivity_native

The library provides an interface to interface with the
ConnectivityNative service, and implement port blocking APIs.

Bug: 179733303
Test: atest connectivity_native_test
Change-Id: Iad1c84b5eeab835aca14a2db72a900e099aa3c1c
diff --git a/Tethering/apex/Android.bp b/Tethering/apex/Android.bp
index 8cf46ef..cf2848f 100644
--- a/Tethering/apex/Android.bp
+++ b/Tethering/apex/Android.bp
@@ -69,7 +69,10 @@
                 "libservice-connectivity",
                 "libandroid_net_connectivity_com_android_net_module_util_jni",
             ],
-            native_shared_libs: ["libnetd_updatable"],
+            native_shared_libs: [
+                "libcom.android.tethering.connectivity_native",
+                "libnetd_updatable",
+            ],
         },
         both: {
             jni_libs: [