Remove PZ2CodeAnnotation From Tests

Summary: Updates `MockPZ2` to take in `PZ2SimpleAnnotations` instead of `PZ2CodeAnnotation` and updates `PZ2PrimaryAnnotationTest` to provide `PZ2SimpleAnnotations` instead of `PZ2CodeAnnotation`.

Differential Revision: D71157740

fbshipit-source-id: c5354a671523890a9f043e381a528ca1e878560d

Author: Shaharyar Muzaffar

third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/UpdateUniverseContextHandlerTest.php

@@ -204,7 +204,7 @@ classname<IThriftClient> $thrift_service_name,
 
   private async function genInitPZ2(): Awaitable<void> {
     await MockPZ2::genInitRequest(
-      PZ2CodeAnnotation::get()->withPolicy(
+      PZ2AnnotationSimpleConcrete::get(
         PZXSUPolicy::create(PZXSUPolicyState::FACEBOOK),
       ),
     );