Use filegroup defaults for framework sources

There's now a shared defaults module for this kind of filegroup. Use
that and remove the previously duplicated prop.

Bug: 271816210
Test: m
Change-Id: Ia4547984a73179fdfc98c427482dd10246f9722c
diff --git a/framework-t/Sources.bp b/framework-t/Sources.bp
index 391a562..b8eb1f6 100644
--- a/framework-t/Sources.bp
+++ b/framework-t/Sources.bp
@@ -16,15 +16,13 @@
 
 filegroup {
     name: "framework-connectivity-tiramisu-updatable-sources",
+    defaults: ["framework-sources-module-defaults"],
     srcs: [
         "src/**/*.java",
         "src/**/*.aidl",
     ],
     path: "src",
-    visibility: [
-        "//frameworks/base",
-        "//packages/modules/Connectivity:__subpackages__",
-    ],
+    visibility: ["//packages/modules/Connectivity:__subpackages__"],
 }
 
 cc_library_shared {