[Toast] Add a new attribute for rich answer type.

Bug: 261205664
Test: local
Change-Id: I2ff89c02c72d0a8ef3572b51f9429ab199231c3f
diff --git a/protos/launcher_atom.proto b/protos/launcher_atom.proto
index 151ec5a..677c992 100644
--- a/protos/launcher_atom.proto
+++ b/protos/launcher_atom.proto
@@ -130,7 +130,7 @@
   optional int32 cardinality = 2;
 }
 
-// Next value 40
+// Next value 41
 enum Attribute {
   UNKNOWN = 0;
   DEFAULT_LAYOUT = 1;       // icon automatically placed in workspace, folder, hotseat
@@ -186,6 +186,7 @@
   WEB_SEARCH_RESULT_PERSONAL = 36;
   WEB_SEARCH_RESULT_CALCULATOR = 37;
   WEB_SEARCH_RESULT_URL = 38;
+  WEB_SEARCH_RESULT_RICH_ANSWER = 40;
 
   WIDGETS_BOTTOM_TRAY = 28;
   WIDGETS_TRAY_PREDICTION = 29;