added toString

java/debugger/impl/src/com/intellij/debugger/jdi/LocalVariableProxyImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2009 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -89,4 +89,9 @@ public class LocalVariableProxyImpl extends JdiProxy implements LocalVariablePro
   public String typeName() {
     return myTypeName;
   }
+
+  @Override
+  public String toString() {
+    return myVariableName;
+  }
 }