Show the last created tab after initialization

app/src/main/java/acr/browser/lightning/activity/BrowserActivity.java

@@ -367,7 +367,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                     @Override
                     public void onComplete() {
                         // At this point we always have at least a tab in the tab manager
-                        showTab(0);
+                        showTab(mTabsManager.last());
 
                         mProxyUtils.checkForProxy(BrowserActivity.this);
                     }

app/src/main/java/acr/browser/lightning/activity/TabsManager.java

@@ -214,6 +214,15 @@ public class TabsManager {
         return mTabList.size();
     }
 
+    /**
+     * The index of the last tab in the manager.
+     *
+     * @return the last tab in the list or -1 if there are no tabs.
+     */
+    public synchronized int last() {
+        return mTabList.size() - 1;
+    }
+
     /**
      * Create and return a new tab. The tab is
      * automatically added to the tabs list.