Fix references to renamed strings.

Change-Id: Ia8024a23f34752bf1a7e4fb752e50f1481b4d680
diff --git a/res/xml/browser_preferences.xml b/res/xml/browser_preferences.xml
index a2d91ff..1c04528 100644
--- a/res/xml/browser_preferences.xml
+++ b/res/xml/browser_preferences.xml
@@ -95,7 +95,7 @@
     </PreferenceCategory>
 
     <PreferenceCategory
-            android:title="@string/pref_privacy_title">
+            android:title="@string/pref_privacy_security_title">
             
         <com.android.browser.BrowserYesNoPreference
                 android:key="privacy_clear_cache"
@@ -165,7 +165,7 @@
     </PreferenceCategory>
     
         <PreferenceCategory
-            android:title="@string/pref_security_title">
+            android:title="@string/pref_privacy_security_title">
             
         <CheckBoxPreference
                 android:key="remember_passwords"