report to CLI when warm-up finished

GitOrigin-RevId: b4304734a0bcab1a4b466b95b1b0cd106401fa2f

platform/warmup/src/com/intellij/warmup/ProjectIndexesWarmup.kt

@@ -67,6 +67,8 @@ class ProjectIndexesWarmup : ApplicationStarter {
       println(e.message)
       exitProcess(2)
     }
+
+    println("IDE Warm-up finished. Exiting the application...")
     ApplicationManager.getApplication().exit(false, true, false)
   }