Add a debug preference for using only personalization dictionary

Bug: 9429906
Change-Id: I2003060c7065e736d42f3b3303fbba549358dd18
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index f24b433..a7d2bd9 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -428,6 +428,8 @@
     <string name="prefs_keypress_sound_volume_settings">Keypress sound volume</string>
     <!-- Title of the settings for reading an external dictionary file -->
     <string name="prefs_read_external_dictionary">Read external dictionary file</string>
+    <!-- Title of the settings for using only personalization dictionary -->
+    <string name="prefs_use_only_personalization_dictionary" translatable="false">Use only personalization dictionary</string>
     <!-- Message to show when there are no files to install as an external dictionary [CHAR LIMIT=100] -->
     <string name="read_external_dictionary_no_files_message">No dictionary files in the Downloads folder</string>
     <!-- Title of the dialog that selects a file to install as an external dictionary [CHAR LIMIT=50] -->