Revert "Remove duplicate strings."

Revert submission 19748582-settings_yesno

Reason for revert: Common strings in English could be translated into different strings in other languages.

Reverted changes: /q/submissionid:19748582-settings_yesno

Bug: 272603842
Test: build and open Settings app
Test: atest SettingsRoboTests
Change-Id: Iaad301c5513478fb95e40987ea3ccb4f923d71fa

src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java

@@ -422,7 +422,7 @@ public abstract class AccessibilityShortcutPreferenceFragment extends Restricted
         }
 
         if (!mShortcutPreference.isChecked()) {
-            return context.getText(R.string.off);
+            return context.getText(R.string.switch_off_text);
         }
 
         final int shortcutTypes = PreferredShortcuts.retrieveUserShortcutType(context,