Accessibility multi-user support.

1. Accessibility settings are now shown for every user.

bug:6967373

Change-Id: Ie31a6a573031bde1d769e43c4d5d88b7e4c8525d
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index dade680..ebd7315 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -45,7 +45,6 @@
 import android.os.UserManager;
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
-import android.preference.PreferenceActivity.Header;
 import android.preference.PreferenceFragment;
 import android.text.TextUtils;
 import android.util.Log;
@@ -54,7 +53,6 @@
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
-import android.widget.BaseAdapter;
 import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.ListAdapter;
@@ -115,6 +113,7 @@
             R.id.account_add,
             R.id.system_section,
             R.id.about_settings,
+            R.id.accessibility_settings
     };
 
     // TODO: Update Call Settings based on airplane mode state.