Remove more internal fields from ModuleBase.

Bug: 358425833
Test: Manual compare the generated ninja and mk files and CI.
Change-Id: I4edd0dc646ac035594f47cd9044cc4eb5f710e64
diff --git a/kernel/prebuilt_kernel_modules_test.go b/kernel/prebuilt_kernel_modules_test.go
index 90b9886..7b81869 100644
--- a/kernel/prebuilt_kernel_modules_test.go
+++ b/kernel/prebuilt_kernel_modules_test.go
@@ -49,7 +49,8 @@
 	}
 
 	var actual []string
-	for _, ps := range ctx.ModuleForTests("foo", "android_arm64_armv8-a").Module().PackagingSpecs() {
+	for _, ps := range android.OtherModuleProviderOrDefault(
+		ctx, ctx.ModuleForTests("foo", "android_arm64_armv8-a").Module(), android.InstallFilesProvider).PackagingSpecs {
 		actual = append(actual, ps.RelPathInPackage())
 	}
 	actual = android.SortedUniqueStrings(actual)