add channel and group tags to the notificaiton logs

Change-Id: Icf029e42fca46262c9d9f8ff63f26de098f888bf
Fixes: 37714086
Test: runtest systemui-notification
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index f37bfac..3dd75bb 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -3962,6 +3962,16 @@
     // OS: O
     APP_TRANSITION_BIND_APPLICATION_DELAY_MS = 945;
 
+    // FIELD - The group ID of a notification.
+    // Type: string
+    // OS: O
+    FIELD_NOTIFICATION_GROUP_ID = 946;
+
+    // FIELD - If the notification is a group summary: 1.
+    // Type: int encoded boolean
+    // OS: O
+    FIELD_NOTIFICATION_GROUP_SUMMARY = 947;
+
     // ---- End O Constants, all O constants go above this line ----
 
     // Add new aosp constants above this line.