DO NOT MERGE Log notification interruptions to TRON

Test: manual
Bug: 110209821
Change-Id: Ic3521f36127aa0e928d0be5ce9819c78c2bc9bc5
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 4328d94..143fa86 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -6116,7 +6116,21 @@
     // OS: P
     FIELD_AUTOFILL_SESSION_ID = 1456;
 
+    // NOTIFICATION_SINCE_INTERRUPTION_MILLIS added to P
+    // NOTIFICATION_INTERRUPTION added to P
+
     // ---- End P Constants, all P constants go above this line ----
+
+    // Time since this notification last interrupted (visibly or audible) the user
+    NOTIFICATION_SINCE_INTERRUPTION_MILLIS = 1500;
+
+    // OPEN: Notification interrupted the user, either audibly or visually.
+    //   Tagged data: NOTIFICATION_SINCE_INTERRUPTION_MILLIS
+    // CATEGORY: NOTIFICATION
+    NOTIFICATION_INTERRUPTION = 1501;
+
+    // ---- End Q Constants, all Q constants go above this line ----
+
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS
   }