Update string to be phone/tablet agnostic

Test: View NotificationChannel UI
Fixes: 279155066
Change-Id: I6d02a863a27092e35e66023966b3e007c6b45d7b
diff --git a/res/values/strings.xml b/res/values/strings.xml
index ed2b77d..e191c42 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -7888,7 +7888,7 @@
     <string name="notification_conversation_summary_low">No sound or vibration and appears lower in conversation section</string>
 
     <!-- [CHAR LIMIT=150] Notification Importance title: normal importance level summary -->
-    <string name="notification_channel_summary_default">May ring or vibrate based on phone settings</string>
+    <string name="notification_channel_summary_default">May ring or vibrate based on device settings</string>
 
     <!-- [CHAR LIMIT=150] Notification Importance title: high importance level summary -->
     <string name="notification_channel_summary_high">When device is unlocked, show notifications as a banner across the top of the screen</string>