Removing workaround causing full view inflation.

Bug: 26420766

Change-Id: I0bb0eeada5002460de47fe4b3e23bc8a8d6e751d
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index c95c73b..ad1ab14 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -145,14 +145,11 @@
         RecentsConfiguration config = Recents.getConfiguration();
         RecentsActivityLaunchState launchState = config.getLaunchState();
         mStack = stack;
-        // Disable reusing task stack views until the visibility bug is fixed. b/25998134
-        if (false && launchState.launchedReuseTaskStackViews) {
+        if (launchState.launchedReuseTaskStackViews) {
             if (mTaskStackView != null) {
                 // If onRecentsHidden is not triggered, we need to the stack view again here
                 mTaskStackView.reset();
                 mTaskStackView.setStack(stack);
-                removeView(mTaskStackView);
-                addView(mTaskStackView);
             } else {
                 mTaskStackView = new TaskStackView(getContext(), stack);
                 addView(mTaskStackView);