Update bubbles strings in settings

Test: manual - check that the strings are right
Change-Id: I9aeb80abb868ff73bbb9b1481d8f3793a6b451e5
diff --git a/res/values/strings.xml b/res/values/strings.xml
index e4d0d11..2d80991 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -7678,7 +7678,9 @@
     <string name="notification_badging_title">Allow notification dots</string>
 
     <!-- Configure Notifications: Title for the notification bubbles option. [CHAR LIMIT=60] -->
-    <string name="notification_bubbles_title">Allow notification bubbles</string>
+    <string name="notification_bubbles_title">Allow bubbles</string>
+    <!-- Configure Notifications: Summary for the notification bubbles option. [CHAR LIMIT=NONE] -->
+    <string name="notification_bubbles_summary">Allow apps to show some notifications as bubbles</string>
 
     <!-- Configure notifications: title for swipe direction [CHAR LIMIT=60] -->
     <string name="swipe_direction_title">Swipe actions</string>
diff --git a/res/xml/configure_notification_settings.xml b/res/xml/configure_notification_settings.xml
index 38fa060..e203401 100644
--- a/res/xml/configure_notification_settings.xml
+++ b/res/xml/configure_notification_settings.xml
@@ -61,6 +61,7 @@
         <SwitchPreference
             android:key="notification_bubbles"
             android:title="@string/notification_bubbles_title"
+            android:summary="@string/notification_bubbles_summary"
             settings:controller="com.android.settings.notification.BubbleNotificationPreferenceController"/>
 
         <!-- Pulse notification light -->