Dedup java genrule module type registration

Test: m checkbuild
Bug: 146540677
Change-Id: I17f24fe145b4bb453e82aabaecc9c251f2b9769b
diff --git a/java/java_test.go b/java/java_test.go
index ea212a3..d9a43f5 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -66,8 +66,8 @@
 	RegisterJavaBuildComponents(ctx)
 	RegisterAppBuildComponents(ctx)
 	RegisterAARBuildComponents(ctx)
+	RegisterGenRuleBuildComponents(ctx)
 	ctx.RegisterModuleType("java_system_modules", SystemModulesFactory)
-	ctx.RegisterModuleType("java_genrule", genRuleFactory)
 	ctx.RegisterModuleType("java_plugin", PluginFactory)
 	ctx.RegisterModuleType("filegroup", android.FileGroupFactory)
 	ctx.RegisterModuleType("genrule", genrule.GenRuleFactory)