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/Android.bp b/framework/Android.bp
index 3950dba..2d729c5 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -45,14 +45,12 @@
 // TODO: use a java_library in the bootclasspath instead
 filegroup {
     name: "framework-connectivity-sources",
+    defaults: ["framework-sources-module-defaults"],
     srcs: [
         ":framework-connectivity-internal-sources",
         ":framework-connectivity-aidl-export-sources",
     ],
-    visibility: [
-        "//frameworks/base",
-        "//packages/modules/Connectivity:__subpackages__",
-    ],
+    visibility: ["//packages/modules/Connectivity:__subpackages__"],
 }
 
 java_defaults {