Move service-worker-installer under services

Workers folder is for separated code, not used in rest of polygerrit-ui.

Release-Notes: skip
Google-Bug-Id: b/202288156
Change-Id: I99b9a552b9e8716c9c57af794a1fd0d506753e97
diff --git a/polygerrit-ui/app/elements/gr-app.ts b/polygerrit-ui/app/elements/gr-app.ts
index ac1fe00..f63b50e 100644
--- a/polygerrit-ui/app/elements/gr-app.ts
+++ b/polygerrit-ui/app/elements/gr-app.ts
@@ -40,7 +40,7 @@
 import {injectAppContext} from '../services/app-context';
 import {html, LitElement} from 'lit';
 import {customElement} from 'lit/decorators';
-import {ServiceWorkerInstaller} from '../workers/service-worker-installer';
+import {ServiceWorkerInstaller} from '../services/service-worker-installer';
 
 const appContext = createAppContext();
 injectAppContext(appContext);
diff --git a/polygerrit-ui/app/workers/service-worker-installer.ts b/polygerrit-ui/app/services/service-worker-installer.ts
similarity index 91%
rename from polygerrit-ui/app/workers/service-worker-installer.ts
rename to polygerrit-ui/app/services/service-worker-installer.ts
index ff33fd0..5426ff7 100644
--- a/polygerrit-ui/app/workers/service-worker-installer.ts
+++ b/polygerrit-ui/app/services/service-worker-installer.ts
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import {FlagsService, KnownExperimentId} from '../services/flags/flags';
+import {FlagsService, KnownExperimentId} from './flags/flags';
 
 export class ServiceWorkerInstaller {
   initialized = false;
diff --git a/polygerrit-ui/app/workers/service-worker-installer_test.ts b/polygerrit-ui/app/services/service-worker-installer_test.ts
similarity index 92%
rename from polygerrit-ui/app/workers/service-worker-installer_test.ts
rename to polygerrit-ui/app/services/service-worker-installer_test.ts
index b0d1616..9de8690 100644
--- a/polygerrit-ui/app/workers/service-worker-installer_test.ts
+++ b/polygerrit-ui/app/services/service-worker-installer_test.ts
@@ -3,7 +3,7 @@
  * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
-import {getAppContext} from '../services/app-context';
+import {getAppContext} from './app-context';
 import '../test/common-test-setup-karma';
 import {ServiceWorkerInstaller} from './service-worker-installer';