From da47085dbb456f0ce2acdec2aa3b44bfde704f7a Mon Sep 17 00:00:00 2001
From: ZHANG Dapeng <zdapeng@google.com>
Date: Wed, 26 Jul 2017 13:18:00 -0700
Subject: [PATCH] benchmarks: fix [MissingOverride]

```
:grpc-benchmarks:compileJavaC:\jenkins\workspace\gRPC-Java-PR-Windows\benchmarks\src\main\java\io\grpc\benchmarks\qps\AbstractConfigurationBuilder.java:58: warning: [MissingOverride] getDefaultValue implements method in Param; expected @Override
    public String getDefaultValue() {
                  ^
    (see http://errorprone.info/bugpattern/MissingOverride)
  Did you mean '@Override public String getDefaultValue() {'?
error: warnings found and -Werror specified
1 error
1 warning
 FAILED

FAILURE: Build failed with an exception.
```
---
 .../io/grpc/benchmarks/qps/AbstractConfigurationBuilder.java     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/benchmarks/src/main/java/io/grpc/benchmarks/qps/AbstractConfigurationBuilder.java b/benchmarks/src/main/java/io/grpc/benchmarks/qps/AbstractConfigurationBuilder.java
index ceff13e76d..639d2f00cd 100644
--- a/benchmarks/src/main/java/io/grpc/benchmarks/qps/AbstractConfigurationBuilder.java
+++ b/benchmarks/src/main/java/io/grpc/benchmarks/qps/AbstractConfigurationBuilder.java
@@ -55,6 +55,7 @@ public abstract class AbstractConfigurationBuilder<T extends Configuration>
       return false;
     }
 
+    @Override
     public String getDefaultValue() {
       return null;
     }