Dismiss network switch dialog when autojoin changes

Dismiss the network switch dialog if the global autojoin changes from
enabled to disabled, or if the associated network switch override
changes. If the associated network switch override changes from disabled
to enabled, reset the previous user choice.

Bug: 259013580
Test: atest WifiConnectivityManagerTest
Change-Id: I681b49b620b15c414fa2e6b619b9bccdffcdddc1
2 files changed