Fix a flake where network caps change innocuously.

Caps are changing before the code is checking for no callback,
but the network is not validating ; something like RSSI or
link speed has been updated, which is fine as long as the
network doesn't validate.

Test: ConnectivityManagerTest
Change-Id: Ie9a167d3599b0157cc1cf6e93c36e9689e9cc2e0
1 file changed