Revert "Remove unused net-module-utils-srcs filegroup."

Revert submission 2152437-remove-net-module-utils-srcs

Reason for revert: broke build.
Bug: 239599703
Reverted Changes:
I058e1aa37:Remove unused net-module-utils-srcs filegroup.
I7c8a12372:Remove unused net-module-utils-srcs filegroup.

Change-Id: Ib9f9319fd6dfade634eda65cafc8c9f7b643f3bb
diff --git a/services/net/Android.bp b/services/net/Android.bp
index 3d40f64..804ccc5 100644
--- a/services/net/Android.bp
+++ b/services/net/Android.bp
@@ -18,6 +18,7 @@
     name: "services.net",
     defaults: ["platform_service_defaults"],
     srcs: [
+        ":net-module-utils-srcs",
         ":services.net-sources",
     ],
     static_libs: [