Allow frameworks-net-integration-testutils to access hidden methods

Support frameworks-net-integration-testutils to access hidden
connectivity methods.

Bug: 182859030
Test: m
Change-Id: Ifbbe7c15c99ac80f94ebb0d97f9145711f147d75
diff --git a/tests/net/integration/Android.bp b/tests/net/integration/Android.bp
index 730ef3b..39c424e 100644
--- a/tests/net/integration/Android.bp
+++ b/tests/net/integration/Android.bp
@@ -62,6 +62,7 @@
 // Utilities for testing framework code both in integration and unit tests.
 java_library {
     name: "frameworks-net-integration-testutils",
+    defaults: ["framework-connectivity-test-defaults"],
     srcs: ["util/**/*.java", "util/**/*.kt"],
     static_libs: [
         "androidx.annotation_annotation",