tdf#116820 The viewer does't show recent files

Change-Id: I8a4d4f2cb78a1fa772936e263e1aa3975e8f89ff
Signed-off-by: Mert Tümer <merttumer7@gmail.com>
Reviewed-on: https://gerrit.libreoffice.org/52458Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

android/source/src/java/org/libreoffice/ui/LibreOfficeUIActivity.java

@@ -444,6 +444,8 @@ public class LibreOfficeUIActivity extends AppCompatActivity implements Settings
                         public void run() {
                             Toast.makeText(activity, e.getMessage(),
                                     Toast.LENGTH_SHORT).show();
+                            // switch back to the default provider.
+                            switchToDocumentProvider(documentProviderFactory.getDefaultProvider());
                         }
                     });
                     startActivity(new Intent(activity, DocumentProviderSettingsActivity.class));