Update to latest versions of API declarations

etc/api/appstate/v1/appstate-api.json

@@ -1,12 +1,12 @@
 {
  "kind": "discovery#restDescription",
- "etag": "\"YWOzh2SDasdU84ArJnpYek-OMdg/lmDs6aA0qIx7-jGEac2TXZTTp7I\"",
+ "etag": "\"J3WqvAcMk4eQjJXvfSI4Yr8VouA/QVpS9PD25kYc1LPN2F9-_0rvV5Y\"",
  "discoveryVersion": "v1",
  "id": "appstate:v1",
  "name": "appstate",
  "canonicalName": "App State",
  "version": "v1",
- "revision": "20171207",
+ "revision": "20181004",
  "title": "Google App State API",
  "description": "The Google App State API.",
  "ownerDomain": "google.com",
@@ -58,12 +58,12 @@
   },
   "quotaUser": {
    "type": "string",
-   "description": "Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters. Overrides userIp if both are provided.",
+   "description": "An opaque string that represents a user for quota purposes. Must not exceed 40 characters.",
    "location": "query"
   },
   "userIp": {
    "type": "string",
-   "description": "IP address of the site where the request originates. Use this if you want to enforce per-user limits.",
+   "description": "Deprecated. Please use quotaUser instead.",
    "location": "query"
   }
  },