Allow unit tests to use hidden connectivity APIs

NetworkStack unit tests use hidden APIs to provide additional coverage.

Bug: 182859030
Test: atest NetworkStackTests
Ignore-AOSP-First: Needs manual cherry-picks
Change-Id: I2c44cf129bb7fa3859698a27ef9c7b9db8eb2f35
diff --git a/tests/unit/Android.bp b/tests/unit/Android.bp
index e673c5a..73a844b 100644
--- a/tests/unit/Android.bp
+++ b/tests/unit/Android.bp
@@ -36,7 +36,10 @@
         "android.test.base",
         "android.test.mock",
     ],
-    defaults: ["libnetworkstackutilsjni_deps"],
+    defaults: [
+        "framework-connectivity-test-defaults",
+        "libnetworkstackutilsjni_deps"
+    ],
     jni_libs: [
         // For mockito extended
         "libdexmakerjvmtiagent",