chore: add api_shortname and library_type to repo metadata (#169)

packages/google-analytics-admin/.repo-metadata.json

@@ -2,13 +2,15 @@
   "client_documentation": "https://googleapis.dev/nodejs/analytics-admin/latest/index.html",
   "api_id": "analyticsadmin.googleapis.com",
   "distribution_name": "@google-analytics/admin",
-  "release_level": "alpha",
+  "release_level": "preview",
   "default_version": "v1alpha",
   "language": "nodejs",
   "name_pretty": "Google Analytics Admin",
   "repo": "googleapis/nodejs-analytics-admin",
   "product_documentation": "https://developers.google.com/analytics",
   "requires_billing": false,
   "name": "analytics-admin",
-  "issue_tracker": ""
+  "issue_tracker": "",
+  "api_shortname": "analyticsadmin",
+  "library_type": "GAPIC_AUTO"
 }

packages/google-analytics-admin/README.md

@@ -4,7 +4,7 @@
 
 # [Google Analytics Admin: Node.js Client](https://github.com/googleapis/nodejs-analytics-admin)
 
-[![release level](https://img.shields.io/badge/release%20level-alpha-orange.svg?style=flat)](https://cloud.google.com/terms/launch-stages)
+
 [![npm version](https://img.shields.io/npm/v/@google-analytics/admin.svg)](https://www.npmjs.org/package/@google-analytics/admin)
 [![codecov](https://img.shields.io/codecov/c/github/googleapis/nodejs-analytics-admin/main.svg?style=flat)](https://codecov.io/gh/googleapis/nodejs-analytics-admin)
 
@@ -137,11 +137,11 @@ This library follows [Semantic Versioning](http://semver.org/).
 
 
 
-This library is considered to be in **alpha**. This means it is still a
-work-in-progress and under active development. Any release is subject to
-backwards-incompatible changes at any time.
 
 
+This library is considered to be in **preview**. This means it is still a
+work-in-progress and under active development. Any release is subject to
+backwards-incompatible changes at any time.
 
 
 More Information: [Google Cloud Platform Launch Stages][launch_stages]