Set the new tab as the current tab to reflect the old behavior.
diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index 6ea9ebb..f097ffb 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -1657,6 +1657,9 @@
             }
             removeTabFromContentView(currentTab);
             attachTabToContentView(tab);
+            // We must set the new tab as the current tab to reflect the old
+            // animation behavior.
+            mTabControl.setCurrentTab(tab);
             if (urlData.isEmpty()) {
                 bookmarksOrHistoryPicker(false);
             } else {