diff --git a/proto/src/system_messages.proto b/proto/src/system_messages.proto
index dfa34bb50805..b87773bbe0b2 100644
--- a/proto/src/system_messages.proto
+++ b/proto/src/system_messages.proto
@@ -290,6 +290,10 @@ message SystemMessage {
     // Package: android
     NOTE_REVIEW_NOTIFICATION_PERMISSIONS = 71;
 
+    // Inform the user of bluetooth apm state changes.
+    // Package: android
+    NOTE_BT_APM_NOTIFICATION = 74;
+
     // ADD_NEW_IDS_ABOVE_THIS_LINE
     // Legacy IDs with arbitrary values appear below
     // Legacy IDs existed as stable non-conflicting constants prior to the O release