Reduce ViewPool sizes for Desktop/GroupedTaskView to save RAM.

Bug: 395287683
Flag: com.android.launcher3.enable_refactor_task_thumbnail
Test: Manual - split tasks displaying correctly
Change-Id: Ib4496ee1859cc5245ec4ef76f0723de8fbd55b7c
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 0218a58..93d414f 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -916,10 +916,12 @@
 
         mTaskViewPool = new ViewPool<>(context, this, R.layout.task, 20 /* max size */,
                 10 /* initial size */);
+        int groupedViewPoolInitialSize = enableRefactorTaskThumbnail() ? 2 : 10;
         mGroupedTaskViewPool = new ViewPool<>(context, this,
-                R.layout.task_grouped, 20 /* max size */, 10 /* initial size */);
+                R.layout.task_grouped, 20 /* max size */, groupedViewPoolInitialSize);
+        int desktopViewPoolInitialSize = DesktopModeStatus.canEnterDesktopMode(mContext) ? 1 : 0;
         mDesktopTaskViewPool = new ViewPool<>(context, this, R.layout.task_desktop,
-                5 /* max size */, 1 /* initial size */);
+                5 /* max size */, desktopViewPoolInitialSize);
 
         setOrientationHandler(mOrientationState.getOrientationHandler());
         mIsRtl = getPagedOrientationHandler().getRecentsRtlSetting(getResources());