ScriptProvider implementations need to be accessible

...from com.sun.star.comp.loader.FactoryHelper.  Regression introduced with
70f56bc2 "java: reduce scope, make member
classes private."

Change-Id: Iabf41a5eca2df25408e90428c60736b4a73db4c3

scripting/java/com/sun/star/script/framework/provider/beanshell/ScriptProviderForBeanShell.java

@@ -49,7 +49,7 @@ import com.sun.star.script.framework.container.ScriptMetaData;
 
 public class ScriptProviderForBeanShell
 {
-    private static class ScriptProviderForBeanShell_2 extends ScriptProvider
+    public static class ScriptProviderForBeanShell_2 extends ScriptProvider
     {
         public ScriptProviderForBeanShell_2(XComponentContext ctx)
         {

scripting/java/com/sun/star/script/framework/provider/java/ScriptProviderForJava.java

@@ -43,7 +43,7 @@ import com.sun.star.script.framework.log.LogUtils;
 
 public class ScriptProviderForJava
 {
-    private static class _ScriptProviderForJava extends ScriptProvider
+    public static class _ScriptProviderForJava extends ScriptProvider
     {
         private Resolver m_resolutionPolicy = new StrictResolver();
 

scripting/java/com/sun/star/script/framework/provider/javascript/ScriptProviderForJavaScript.java

@@ -50,7 +50,7 @@ import org.mozilla.javascript.JavaScriptException;
 
 public class ScriptProviderForJavaScript
 {
-    private static class ScriptProviderForJavaScript_2 extends ScriptProvider
+    public static class ScriptProviderForJavaScript_2 extends ScriptProvider
     {
         public ScriptProviderForJavaScript_2(XComponentContext ctx)
         {