Don't show ImmersiveMode notification message for windows that have

a z-index higher than TYPE_STATUS_BAR.

Fix: 273554695
Test: Visual - adb shell settings put secure immersive_mode_confirmations unconfirmed
Change-Id: I4fec677bba58cbf8348ae38e561e3c8f9115dea7

services/core/java/com/android/server/wm/DisplayPolicy.java

@@ -2582,7 +2582,8 @@ public class DisplayPolicy {
         if (win == null) {
             return false;
         }
-        if (win == getNotificationShade() || win.isActivityTypeDream()) {
+        if (win.mPolicy.getWindowLayerLw(win) > win.mPolicy.getWindowLayerFromTypeLw(
+                WindowManager.LayoutParams.TYPE_STATUS_BAR) || win.isActivityTypeDream()) {
             return false;
         }
         return getInsetsPolicy().hasHiddenSources(Type.navigationBars());