Alignment of language selection dialog in About>Translate commons-app#1713 (commons-app#1776)

Author: VaishSiddharth

app/src/main/java/fr/free/nrw/commons/AboutActivity.java

@@ -144,11 +144,12 @@ public boolean onOptionsItemSelected(MenuItem item) {
     @OnClick(R.id.about_translate)
     public void launchTranslate(View view) {
         final ArrayAdapter<String> languageAdapter = new ArrayAdapter<String>(AboutActivity.this,
-                android.R.layout.simple_spinner_item, language);
+                android.R.layout.simple_spinner_dropdown_item, language);
         final Spinner spinner = new Spinner(AboutActivity.this);
         spinner.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT));
         spinner.setAdapter(languageAdapter);
         spinner.setGravity(17);
+        spinner.setPadding(50,0,0,0);
 
         AlertDialog.Builder builder = new AlertDialog.Builder(AboutActivity.this);
         builder.setView(spinner);