Don't use phone number in spam call notifications

Bug: 67775111
Test: Tap for regressions, manually verified bugreport didn't include PII
PiperOrigin-RevId: 179628074
Change-Id: If9ee7fcfe709e749da33d0bddf2f7847e68cc422
diff --git a/java/com/android/incallui/spam/SpamCallListListener.java b/java/com/android/incallui/spam/SpamCallListListener.java
index fa3dd6e..e7603f0 100644
--- a/java/com/android/incallui/spam/SpamCallListListener.java
+++ b/java/com/android/incallui/spam/SpamCallListListener.java
@@ -455,6 +455,6 @@
   }
 
   static String getNotificationTagForCall(@NonNull DialerCall call) {
-    return NOTIFICATION_TAG_PREFIX + call.getNumber();
+    return NOTIFICATION_TAG_PREFIX + call.getUniqueCallId();
   }
 }