fix(@angular/cli): add unique user id as user parameter in GA

While, GA collects the user id, this cannot be used for reporting and filtering purpose. This can be

(cherry picked from commit f41d609)

Author: alan-agius4

docs/design/analytics.md

@@ -38,6 +38,7 @@ PROJECT NAME TO BUILD OR A MODULE NAME.**
 <!--USER_DIMENSIONS_TABLE_BEGIN-->
 | Name | Parameter | Type |
 |:---:|:---|:---|
+| UserId | `up.ng_user_id` | `string` |
 | OsArchitecture | `up.ng_os_architecture` | `string` |
 | NodeVersion | `up.ng_node_version` | `string` |
 | NodeMajorVersion | `upn.ng_node_major_version` | `number` |

packages/angular/cli/src/analytics/analytics-collector.ts

@@ -60,6 +60,8 @@ export class AnalyticsCollector {
       // While architecture is being collect by GA as UserAgentArchitecture.
       // It doesn't look like there is a way to query this. Therefore we collect this as a custom user dimension too.
       [UserCustomDimension.OsArchitecture]: os.arch(),
+      // While User ID is being collected by GA, this is not visible in reports/for filtering.
+      [UserCustomDimension.UserId]: userId,
       [UserCustomDimension.NodeVersion]: nodeVersion,
       [UserCustomDimension.NodeMajorVersion]: +nodeVersion.split('.', 1)[0],
       [UserCustomDimension.PackageManager]: context.packageManager.name,

packages/angular/cli/src/analytics/analytics-parameters.ts

@@ -48,6 +48,7 @@ export enum RequestParameter {
  * @see https://support.google.com/analytics/answer/10075209?hl=en
  */
 export enum UserCustomDimension {
+  UserId = 'up.ng_user_id',
   OsArchitecture = 'up.ng_os_architecture',
   NodeVersion = 'up.ng_node_version',
   NodeMajorVersion = 'upn.ng_node_major_version',