Migrate getCreatePrice() call to DomainPricingLogic

Swap all calls to TldSpecificLogicProxy.getCreatePrice() to the counterpart in
DomainPricingLogic. Also makes necessary changes for testing to work, including
fake implementations of DomainPricingCustomLogic and
DomainCreateLofwCustomLogic.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=140754334

java/google/registry/flows/domain/DomainCheckFlow.java

@@ -110,6 +110,7 @@ public final class DomainCheckFlow implements Flow {
   @Inject Clock clock;
   @Inject EppResponse.Builder responseBuilder;
   @Inject DomainCheckFlowCustomLogic customLogic;
+  @Inject DomainPricingLogic pricingLogic;
   @Inject DomainCheckFlow() {}
 
   @Override
@@ -208,7 +209,8 @@ public final class DomainCheckFlow implements Flow {
             clientId,
             feeCheck.getCurrency(),
             now,
-            eppInput);
+            eppInput,
+            pricingLogic);
         responseItems.add(builder.setDomainNameIfSupported(domainName).build());
       }
     }