Add setFee(List<Fee>) method to BaseFeeResponse

We need a flavor that accepts a list in order to set this from data returned
from the pricing system.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=125078913

java/google/registry/model/domain/fee/BaseFeeResponse.java

@@ -84,9 +84,15 @@ public class BaseFeeResponse extends ImmutableObject {
       return thisCastToDerived();
     }
 
+    public B setFee(List<Fee> fees) {
+      getInstance().fee = forceEmptyToNull(ImmutableList.copyOf(fees));
+      return thisCastToDerived();
+    }
+
     public B setClass(String feeClass) {
       getInstance().feeClass = feeClass;
       return thisCastToDerived();
     }
   }
 }
+