add stage

Signed-off-by: Njiyong <jiyong@huawei.com>

aafwk/aafwk_standard/stage/BUILD.gn

@@ -16,6 +16,6 @@ import("//test/xts/tools/build/suite.gni")
 group("stage") {
   testonly = true
   if (is_standard_system) {
-    deps = [ "stage_extension_service_test:StageExtensionServiceTest" ]
+    deps = [ "stage_extension_service:StageExtensionServiceTest" ]
   }
 }