[Panlingual] Avoid activity restart during rotation

        <activity

            android:name=".localepicker.AppLocalePickerActivity"

            android:label="@string/app_locale_picker_title"

            android:configChanges="orientation|screenSize|keyboardHidden"

            android:exported="true" >

            <intent-filter>

                <action android:name="android.settings.APP_LOCALE_SETTINGS" />