Break up app.go.

Test: m nothing + TreeHugger
Change-Id: I64c6d7f10530c424bc282d8111dfaf9159426f00
diff --git a/java/java_test.go b/java/java_test.go
index f7cf03f..de5c55c 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -75,8 +75,11 @@
 	ctx := android.NewTestArchContext(config)
 	RegisterJavaBuildComponents(ctx)
 	RegisterAppBuildComponents(ctx)
+	RegisterAppImportBuildComponents(ctx)
+	RegisterAppSetBuildComponents(ctx)
 	RegisterAARBuildComponents(ctx)
 	RegisterGenRuleBuildComponents(ctx)
+	RegisterRuntimeResourceOverlayBuildComponents(ctx)
 	RegisterSystemModulesBuildComponents(ctx)
 	ctx.RegisterModuleType("java_plugin", PluginFactory)
 	ctx.RegisterModuleType("filegroup", android.FileGroupFactory)