Add framework-connectivity-test-defaults

The defaults follow the same pattern as framework-wifi-test-defaults to
allow unit tests to build against hidden API in Connectivity.

Bug: 171540887
Test: m
Change-Id: I58bb6574f7e95053e4a95f76d1025506749ec2b8
diff --git a/tests/net/Android.bp b/tests/net/Android.bp
index e1a424f..6f503ac 100644
--- a/tests/net/Android.bp
+++ b/tests/net/Android.bp
@@ -51,12 +51,14 @@
 
 android_test {
     name: "FrameworksNetTests",
-    defaults: ["FrameworksNetTests-jni-defaults"],
+    defaults: [
+        "framework-connectivity-test-defaults",
+        "FrameworksNetTests-jni-defaults",
+    ],
     srcs: [
         "java/**/*.java",
         "java/**/*.kt",
     ],
-    platform_apis: true,
     test_suites: ["device-tests"],
     certificate: "platform",
     jarjar_rules: "jarjar-rules.txt",