Show more settings and add restrictions/dialogs for secondary users

Bug: 7213029 crash in About>Status
Bug: 7212495 hide System updates for second user
Bug: 7212230 nickname editor should select the text
Bug: 7160487 TTS settings
Bug: 7129411 Settings needs visibility changes for secondary users

Change-Id: Ia2d1229c08b392edfa6b671fce4a382410405b14

src/com/android/settings/VoiceInputOutputSettings.java

@@ -183,6 +183,8 @@ public class VoiceInputOutputSettings implements OnPreferenceChangeListener {
     
     private void updateSettingsLink(String currentSetting) {
         ResolveInfo currentRecognizer = mAvailableRecognizersMap.get(currentSetting);
+        if (currentRecognizer == null) return;
+
         ServiceInfo si = currentRecognizer.serviceInfo;
         XmlResourceParser parser = null;
         String settingsActivity = null;