Add java_defaults for @FlaggedApi handling

This CL is a preparation to ignore @FlaggedApi API in udc mainline
branch

Bug: 299411828
Test: TH
Change-Id: If3217916b2c37ebaa7b48d8387c69cb078af9550
diff --git a/framework-t/Android.bp b/framework-t/Android.bp
index 5ae1ef9..7c6c6aa 100644
--- a/framework-t/Android.bp
+++ b/framework-t/Android.bp
@@ -121,6 +121,7 @@
     defaults: [
         "framework-connectivity-t-defaults",
         "enable-framework-connectivity-t-targets",
+        "FlaggedApiDefaults",
     ],
     api_srcs: framework_remoteauth_api_srcs,
     // Do not add static_libs to this library: put them in framework-connectivity instead.