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/nearby/framework/Android.bp b/nearby/framework/Android.bp
index e223b54..f6e0995 100644
--- a/nearby/framework/Android.bp
+++ b/nearby/framework/Android.bp
@@ -32,10 +32,10 @@
 
 filegroup {
     name: "framework-nearby-sources",
+    defaults: ["framework-sources-module-defaults"],
     srcs: [
         ":framework-nearby-java-sources",
     ],
-    visibility: ["//frameworks/base"],
 }
 
 // Build of only framework-nearby (not as part of connectivity) for