java: add @Override annotation to overriding methods

Change-Id: I086964c6f6ce52c60c52b6dbc445d3c21d22c80a

scripting/java/com/sun/star/script/framework/browse/ParcelBrowseNode.java

@@ -165,6 +165,7 @@ public class ParcelBrowseNode extends PropertySet
         return BrowseNodeTypes.CONTAINER;
     }
 
+    @Override
     public String toString()
     {
         return getName();

scripting/java/com/sun/star/script/framework/browse/PkgProviderBrowseNode.java

@@ -39,6 +39,7 @@ public class PkgProviderBrowseNode extends ProviderBrowseNode
 
     }
 
+    @Override
     public String getName() {
         String name = "Unknown";
         if ( container != null )

scripting/java/com/sun/star/script/framework/browse/ProviderBrowseNode.java

@@ -157,6 +157,7 @@ public class ProviderBrowseNode extends PropertySet
         return BrowseNodeTypes.CONTAINER;
     }
 
+    @Override
     public String toString()
     {
         return getName();

scripting/java/com/sun/star/script/framework/browse/ScriptBrowseNode.java

@@ -137,6 +137,7 @@ public class ScriptBrowseNode extends PropertySet
         return BrowseNodeTypes.SCRIPT;
     }
 
+    @Override
     public String toString() {
         return getName();
     }