Increase gRPC test timeout from TfBuilder to StfSender

Author: lkrcal

src/common/rpc/StfSenderRpcClient.h

@@ -84,7 +84,7 @@ class StfSenderRpcClient {
       lParam.set_tf_builder_id("-1");
       StfDataResponse lRet;
       ClientContext lContext;
-      lContext.set_deadline(std::chrono::system_clock::now() + std::chrono::milliseconds(1000));
+      lContext.set_deadline(std::chrono::system_clock::now() + std::chrono::milliseconds(3000));
       lContext.set_wait_for_ready(true);
 
       auto lRetVal = mStub->StfDataRequest(&lContext, lParam, &lRet);