Fix style

Author: nwangtw

heron/tools/apiserver/src/java/org/apache/heron/apiserver/utils/ConfigUtils.java

@@ -139,7 +139,8 @@ public static void applyOverridesToStateManagerConfig(Path overridesPath,
     ) {
       stateManagerReader = Files.newBufferedReader(stateManagerPath);
 
-      final Map<String, Object> overrides = (Map<String, Object>) new Yaml(new SafeConstructor()).load(overrideReader);
+      final Map<String, Object> overrides =
+          (Map<String, Object>) new Yaml(new SafeConstructor()).load(overrideReader);
       final Map<String, Object> stateMangerConfig =
           (Map<String, Object>) new Yaml(new SafeConstructor()).load(stateManagerReader);
       // update the state manager config with the overrides