Filter out disabled network in fast reconnect

Fast reconnect uses cached candidates that are up to 10 seconds old.
During this 10 seconds, it's possible that some candidates become
disabled. Make sure that these disabled networks do not get selected for
auto connection.

Bug: 184172901
Test: atest com.android.server.wifi
Change-Id: I921ac52fa14f7ee9c14dff34c161dc7f06785e3f
2 files changed