Make the SwitchBar appear immediately

- change the way the SwitchBar is shown and hidden
- save its state
- remove the delay transition code

Change-Id: I07260430e6709b42517ca011f6d3c3446a626731

src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java

@@ -95,17 +95,17 @@ public abstract class ToggleFeaturePreferenceFragment
     }
 
     @Override
-    public void onResume() {
-        super.onResume();
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
 
         installActionBarToggleSwitch();
     }
 
     @Override
-    public void onPause() {
-        removeActionBarToggleSwitch();
+    public void onDestroyView() {
+        super.onDestroyView();
 
-        super.onPause();
+        removeActionBarToggleSwitch();
     }
 
     protected abstract void onPreferenceToggled(String preferenceKey, boolean enabled);