[Wi-Fi] Hide the Advanced Option after expanding the advanced option fields.

To align with other advanced option behaviors in other Settings items, hide the Advanced Option button after the hidden advanced options are show, which also solve the a11y issue.

Bug: 146908469
Test: Add test case getVisibility_whenAdvancedOptionClicked_shouldBeGone
to verify View is Gone.
Change-Id: I11b2f9b250a7d50d32b8c05207498f4cf14feb41