Show notification when work profile switched off

This will notify the user if phone calls and messages
are unavailable.
Screenshots in bug

Bug: 262720433
Test: Manually tested on Pixel 6a
Change-Id: I060c3fa225fe1cf53344d9f8b634e8afbbab468d
diff --git a/proto/src/system_messages.proto b/proto/src/system_messages.proto
index 12e7226..c9e41c4 100644
--- a/proto/src/system_messages.proto
+++ b/proto/src/system_messages.proto
@@ -392,5 +392,11 @@
     // Note: this is a base ID, multiple notifications will be posted for each
     // abusive apps, with notification ID based off this ID.
     NOTE_ABUSIVE_BG_APPS_BASE = 0xc1b2508; // 203105544
+
+    // Notify the user that dialer and sms functionality are unavailable whilst the apps are
+    // paused in the work profile.
+    // Package: android
+    NOTE_ALL_MANAGED_SUBSCRIPTIONS_AND_MANAGED_PROFILE_OFF = 1006;
+
   }
 }