Show window captions only on standard activities

This ensures we do not show caption bar for launcher or recents.

Test: enable desktop mode, observe no captions for launcher or recents
Bug: 249350122
Change-Id: Id026d73f8894b3fb1a1fed236ae9cd260fba7a70

libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java

diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
index 9c7131a..8b36db920 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
@@ -16,6 +16,7 @@
 
 package com.android.wm.shell.windowdecor;
 
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
@@ -240,6 +241,7 @@
     private boolean shouldShowWindowDecor(RunningTaskInfo taskInfo) {
         if (taskInfo.getWindowingMode() == WINDOWING_MODE_FREEFORM) return true;
         return DesktopModeStatus.IS_SUPPORTED
+                && taskInfo.getActivityType() == ACTIVITY_TYPE_STANDARD
                 && mDisplayController.getDisplayContext(taskInfo.displayId)
                 .getResources().getConfiguration().smallestScreenWidthDp >= 600;
     }