Turn off personalization default settings

Because the previous personalization settings default value was on,
this CL changes the preference key of the personalization settings.

Bug: 10587358
Change-Id: I80233e8af4b532d8c67d8fb184c2865862bb35dd

java/res/xml/prefs.xml

@@ -90,11 +90,11 @@
             android:entries="@array/prefs_suggestion_visibilities"
             android:defaultValue="@string/prefs_suggestion_visibility_default_value" />
         <CheckBoxPreference
-            android:key="pref_key_use_personalized_dicts"
+            android:key="pref_use_personalized_dicts"
             android:title="@string/use_personalized_dicts"
             android:summary="@string/use_personalized_dicts_summary"
             android:persistent="true"
-            android:defaultValue="true" />
+            android:defaultValue="false" />
     </PreferenceCategory>
     <PreferenceCategory
         android:title="@string/gesture_typing_category"

java/src/com/android/inputmethod/latin/settings/Settings.java

@@ -55,7 +55,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     public static final String PREF_MISC_SETTINGS = "misc_settings";
     public static final String PREF_ADVANCED_SETTINGS = "pref_advanced_settings";
     public static final String PREF_KEY_USE_CONTACTS_DICT = "pref_key_use_contacts_dict";
-    public static final String PREF_KEY_USE_PERSONALIZED_DICTS = "pref_key_use_personalized_dicts";
+    public static final String PREF_USE_PERSONALIZED_DICTS = "pref_use_personalized_dicts";
     public static final String PREF_KEY_USE_DOUBLE_SPACE_PERIOD =
             "pref_key_use_double_space_period";
     public static final String PREF_BLOCK_POTENTIALLY_OFFENSIVE =

java/src/com/android/inputmethod/latin/settings/SettingsValues.java

@@ -128,7 +128,7 @@ public final class SettingsValues {
                 Settings.PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST, false);
         mShowsLanguageSwitchKey = Settings.readShowsLanguageSwitchKey(prefs);
         mUseContactsDict = prefs.getBoolean(Settings.PREF_KEY_USE_CONTACTS_DICT, true);
-        mUsePersonalizedDicts = prefs.getBoolean(Settings.PREF_KEY_USE_PERSONALIZED_DICTS, true);
+        mUsePersonalizedDicts = prefs.getBoolean(Settings.PREF_USE_PERSONALIZED_DICTS, false);
         mUseDoubleSpacePeriod = prefs.getBoolean(Settings.PREF_KEY_USE_DOUBLE_SPACE_PERIOD, true);
         mBlockPotentiallyOffensive = Settings.readBlockPotentiallyOffensive(prefs, res);
         mAutoCorrectEnabled = Settings.readAutoCorrectEnabled(autoCorrectionThresholdRawValue, res);