[pdf2htmlEX_exe] Expose m_arguments. I have a feeling this could be problematic.

Author: ViliusSutkus89

pdf2htmlEX/src/main/java/com/viliussutkus89/android/pdf2htmlex/pdf2htmlEX_exe.java

@@ -38,7 +38,11 @@
 @Deprecated
 public class pdf2htmlEX_exe extends pdf2htmlEX {
 
-  private final Map<String, String> m_arguments = new LinkedHashMap<>();
+  /*
+   * @deprecated m_arguments is exposed, but take caution not to mess it up too much.
+   */
+  @Deprecated
+  protected final Map<String, String> m_arguments = new LinkedHashMap<>();
 
   private final String[] m_argumentsPrefix;