Merge branch 'stevosyan/add-grpc-client-factory' of https://github.com/microsoft/durabletask-java into stevosyan/add-grpc-client-factory

Author: Sophia Tevosyan

azurefunctions/src/main/java/com/microsoft/durabletask/azurefunctions/DurableClientContext.java

@@ -8,7 +8,6 @@
 
 import com.microsoft.azure.functions.HttpStatus;
 import com.microsoft.durabletask.DurableTaskClient;
-import com.microsoft.durabletask.DurableTaskGrpcClientBuilder;
 import com.microsoft.durabletask.DurableTaskGrpcClientFactory;
 import com.microsoft.durabletask.OrchestrationMetadata;
 import com.microsoft.durabletask.OrchestrationRuntimeStatus;