Consume new RGs api package (#1356)

Co-authored-by: Brandon Waterloo [MSFT] <[email protected]>

utils/activity.d.ts

@@ -0,0 +1,15 @@
+import { AzureResourcesExtensionApi } from '@microsoft/vscode-azureresources-api';
+import { Activity } from './hostapi';
+
+export interface ActivityApi {
+    /**
+     * Registers an activity to appear in the activity window.
+    *
+    * @param activity - The activity information to show.
+    */
+    registerActivity(activity: Activity): Promise<void>;
+}
+
+export interface AzureResourcesExtensionApiWithActivity extends AzureResourcesExtensionApi {
+    activity: ActivityApi;
+}

utils/hostapi.d.ts

@@ -3,8 +3,9 @@
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
 
+import type { AzExtResourceType } from '@microsoft/vscode-azureresources-api';
 import type * as vscode from 'vscode';
-import type { AbstractAzExtTreeItem, AzExtParentTreeItem, AzExtResourceType, AzExtTreeDataProvider, AzExtTreeItem, IAzureQuickPickOptions, ISubscriptionContext, ITreeItemPickerContext, SealedAzExtTreeItem } from './index'; // This must remain `import type` or else a circular reference will result
+import type { AbstractAzExtTreeItem, AzExtParentTreeItem, AzExtTreeDataProvider, AzExtTreeItem, IAzureQuickPickOptions, ISubscriptionContext, ITreeItemPickerContext, SealedAzExtTreeItem } from './index'; // This must remain `import type` or else a circular reference will result
 
 /**
  * The API implemented by the Azure Resource Groups host extension