When rotating an androidx fragment, it uses default constructor
to instantiate the new fragment instance. Every androidx fragment
should not set private scope to it's default constructor.
Bug: 153824549
Test: make RunSettingsRoboTests ROBOTEST_FILTER=NetworkRequestErrorDialogFragmentTest
Change-Id: Ie1be0e033aa85d37cb4d85193b05beab72d4d8e7