Fix discrepancy in the "show settings key" option

bug: 5155640
Change-Id: I2f5f88edde18d6464a67adcfad5aa92b05c36821

java/res/values-sw600dp/config.xml

@@ -20,7 +20,7 @@
 
 <resources>
     <bool name="config_enable_show_settings_key_option">true</bool>
-    <bool name="config_default_show_settings_key">true</bool>
+    <bool name="config_default_show_settings_key">false</bool>
     <bool name="config_enable_show_voice_key_option">false</bool>
     <bool name="config_enable_show_popup_on_keypress_option">false</bool>
     <bool name="config_enable_show_recorrection_option">false</bool>

java/res/xml/prefs.xml

@@ -53,7 +53,7 @@
             android:key="show_settings_key"
             android:title="@string/prefs_settings_key"
             android:persistent="true"
-            android:defaultValue="false" />
+            android:defaultValue="@bool/config_default_show_settings_key" />
         <ListPreference
             android:key="voice_mode"
             android:title="@string/voice_input"