Change enforceAppUpdatability to use ModuleProxy.

Bug: 377723687
Test: Unit tests and compare the ninja and mk files generated.
Change-Id: I9113916e2124bc22a3d492dbe092a60e8809ab99
diff --git a/apex/apex.go b/apex/apex.go
index 1a598e5..e140689 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -2340,7 +2340,7 @@
 	}
 	if a.Updatable() {
 		// checking direct deps is sufficient since apex->apk is a direct edge, even when inherited via apex_defaults
-		mctx.VisitDirectDeps(func(module android.Module) {
+		mctx.VisitDirectDepsProxy(func(module android.ModuleProxy) {
 			if appInfo, ok := android.OtherModuleProvider(mctx, module, java.AppInfoProvider); ok {
 				// ignore android_test_app
 				if !appInfo.TestHelperApp && !appInfo.Updatable {