fix: exclude impl core modules classes from mangling (#173)

Author: PeterStaev

Diff for: mangle-excludes.js

@@ -49,25 +49,25 @@ module.exports = [
     "WebViewClientClassInner",
 
     // tns 3.0
-    "CheckedChangeListener",
-    "ClickListener",
-    "CloseListener",
-    "DateChangedListener",
+    "CheckedChangeListenerImpl",
+    "ClickListenerImpl",
+    "CloseListenerImpl",
+    "DateChangedListenerImpl",
     "DisableUserInteractionListener",
     "EditorActionListener",
     "FocusChangeListener",
-    "Formatter",
-    "ImageLoadedListener",
-    "ItemClickListener",
-    "MenuItemClickListener",
-    "QueryTextListener",
-    "SeekBarChangeListener",
-    "TabChangeListener",
-    "TabContentFactory",
+    "FormatterImpl",
+    "ImageLoadedListenerImpl",
+    "ItemClickListenerImpl",
+    "MenuItemClickListenerImpl",
+    "QueryTextListenerImpl",
+    "SeekBarChangeListenerImpl",
+    "TabChangeListenerImpl",
+    "TabContentFactoryImpl",
     "TextWatcher",
-    "TimeChangedListener",
-    "TouchListener",
-    "ValueChangeListener",
+    "TimeChangedListenerImpl",
+    "TouchListenerImpl",
+    "ValueChangeListenerImpl",
 
     "AnimationDelegateImpl",
     "CheckedChangeListenerImpl",