Modify proto

Add a field about contextual card score

Change-Id: I52b660801e317112673ada2f449709239a8b3c12
Bug: 79698338
Test: Robolectric
diff --git a/protos/contextual_card_list.proto b/protos/contextual_card_list.proto
index ea82408..3496c8c 100644
--- a/protos/contextual_card_list.proto
+++ b/protos/contextual_card_list.proto
@@ -28,4 +28,6 @@
   optional string cardName = 3;
 
   optional Category card_category = 4;
+
+  optional double card_score = 5;
 }