fix(@angular/cli): improve opt-out language

Author: StephenFluin

packages/angular/cli/models/analytics.ts

@@ -378,7 +378,7 @@ export async function promptGlobalAnalytics(force = false) {
     if (answers.analytics) {
       console.log('');
       console.log(tags.stripIndent`
-        Thank you for sharing anonymous usage data. Would you change your mind, the following
+        Thank you for sharing anonymous usage data. If you change your mind, the following
         command will disable this feature entirely:
 
             ${terminal.yellow('ng analytics off')}