updting noxfile to use old securitycenter test project

Author: donmccasland

securitycenter/snippets/noxfile_config.py

@@ -28,7 +28,7 @@
     # build specific Cloud project. You can also use your own string
     # to use your own Cloud project.
     # 'gcloud_project_env': 'GOOGLE_CLOUD_PROJECT',
-    "gcloud_project_env": "BUILD_SPECIFIC_GCLOUD_PROJECT",
+    "gcloud_project_env": "project-a-id",
     # A dictionary you want to inject into your test. Don't put any
     # secrets here. These values will override predefined values.
     "envs": {