diff --git a/res/xml/language_settings.xml b/res/xml/language_settings.xml
index 167f9d9ec3e..4613cb0bad0 100644
--- a/res/xml/language_settings.xml
+++ b/res/xml/language_settings.xml
@@ -18,7 +18,8 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
-    android:title="@string/languages_settings">
+    android:title="@string/languages_settings"
+    android:key="languages_settings">
     <PreferenceCategory
         android:key="languages_category"
         android:title="@string/locale_picker_category_title">
@@ -68,4 +69,4 @@
             android:fragment="com.android.settings.tts.TextToSpeechSettings"
             settings:searchable="false"/>
     </PreferenceCategory>
-</PreferenceScreen>
\ No newline at end of file
+</PreferenceScreen>
diff --git a/res/xml/languages.xml b/res/xml/languages.xml
index 844b7fa7b77..d478aa18ded 100644
--- a/res/xml/languages.xml
+++ b/res/xml/languages.xml
@@ -18,7 +18,8 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
-    android:title="@string/language_picker_title">
+    android:title="@string/language_picker_title"
+    android:key="system_languages">
 
     <com.android.settingslib.widget.TopIntroPreference
         android:title="@string/desc_introduction_of_language_picker"
diff --git a/res/xml/regional_preference_main_page.xml b/res/xml/regional_preference_main_page.xml
index 2746caa4987..5c46f8c5732 100644
--- a/res/xml/regional_preference_main_page.xml
+++ b/res/xml/regional_preference_main_page.xml
@@ -16,7 +16,8 @@
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
-    android:title="@string/regional_preferences_title">
+    android:title="@string/regional_preferences_title"
+    android:key="regional_preferences">
 
     <com.android.settingslib.widget.TopIntroPreference
         android:title="@string/regional_preferences_main_page_sub_title"
diff --git a/res/xml/regional_preference_numbering_system_page.xml b/res/xml/regional_preference_numbering_system_page.xml
index 9263c09b67e..b15dd8a22f8 100644
--- a/res/xml/regional_preference_numbering_system_page.xml
+++ b/res/xml/regional_preference_numbering_system_page.xml
@@ -13,4 +13,6 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" />
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:key="regional_preference_numbering_system"/>
diff --git a/res/xml/regional_preferences_first_day_of_week.xml b/res/xml/regional_preferences_first_day_of_week.xml
index 2d0bec30eb7..d9de5e5bd86 100644
--- a/res/xml/regional_preferences_first_day_of_week.xml
+++ b/res/xml/regional_preferences_first_day_of_week.xml
@@ -17,7 +17,8 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
-    android:title="@string/first_day_of_week_preferences_title">
+    android:title="@string/first_day_of_week_preferences_title"
+    android:key="regional_preference_first_day_of_week">
 
     <com.android.settingslib.widget.TopIntroPreference
         android:title="@string/regional_preferences_option_page_sub_title"
diff --git a/res/xml/regional_preferences_temperature.xml b/res/xml/regional_preferences_temperature.xml
index 547dd38a86f..2519dfafcd4 100644
--- a/res/xml/regional_preferences_temperature.xml
+++ b/res/xml/regional_preferences_temperature.xml
@@ -17,7 +17,8 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
-    android:title="@string/temperature_preferences_title">
+    android:title="@string/temperature_preferences_title"
+    android:key="regional_preference_temperature">
 
     <com.android.settingslib.widget.TopIntroPreference
         android:title="@string/regional_preferences_option_page_sub_title"
diff --git a/res/xml/terms_of_address.xml b/res/xml/terms_of_address.xml
index a29a55c31a3..90cbe52f6ca 100644
--- a/res/xml/terms_of_address.xml
+++ b/res/xml/terms_of_address.xml
@@ -17,7 +17,8 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
-    android:title="@string/terms_of_address_title">
+    android:title="@string/terms_of_address_title"
+    android:key="terms_of_address">
 
     <com.android.settingslib.widget.TopIntroPreference
         android:title="@string/terms_of_address_intro_title"